ColorTool
Log in
#237A8A

#237a8a ≈ Teal Blue

  • cyan
  • Lightness: low
  • Saturation: moderate
  • Cool
Check contrast Explore in graph Random color

#237a8a is a color from the cyan family, with low lightness and moderate saturation. In the RGB model it is made of 13.73% red, 47.84% green and 54.12% blue; printed in CMYK it uses 74.64% cyan, 11.59% magenta, 0% yellow and 45.88% black. Its hue angle is 189.32°, with 59.54% saturation and 33.92% lightness in HSL. It is a cool color, often associated with freshness, technology and clarity. Designers typically use it for health and wellness, technology products and corporate identities. White text on this color reaches a contrast ratio of 4.97:1 (WCAG AA). The closest named color is Teal Blue (#367588), ΔE 3.68.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1611

Complementary

  1. #237a8a
  2. #8a3323

Split complementary

  1. #237a8a
  2. #8a2346
  3. #8a6623

Analogous

  1. #238a66
  2. #237a8a
  3. #23468a

Triadic

  1. #237a8a
  2. #8a237a
  3. #7a8a23

Tetradic

  1. #237a8a
  2. #33238a
  3. #8a3323
  4. #7a8a23

Square

  1. #237a8a
  2. #66238a
  3. #8a3323
  4. #468a23

Monochromatic

  1. #040e10
  2. #14444d
  3. #237a8a
  4. #32b0c7
  5. #6cc9da

Shades

#237a8a mixed progressively with black.

  1. #237a8a
  2. #206e7c
  3. #1c626e
  4. #195561
  5. #154953
  6. #123d45
  7. #0e3137
  8. #0b2529
  9. #07181c
  10. #040c0e
  11. #000000

Tints

#237a8a mixed progressively with white.

  1. #237a8a
  2. #398796
  3. #4f95a1
  4. #65a2ad
  5. #7bafb9
  6. #91bdc5
  7. #a7cad0
  8. #bdd7dc
  9. #d3e4e8
  10. #e9f2f3
  11. #ffffff

Tones

#237a8a mixed progressively with gray.

  1. #237a8a
  2. #2c7b89
  3. #367b88
  4. #3f7c87
  5. #487c86
  6. #527d85
  7. #5b7e84
  8. #647e83
  9. #6d7f82
  10. #777f81
  11. #808080

Readable text 4.97:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.22:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #5a747b ≈ 0.001% of males
Protanopia #6e768b ≈ 1.01% of males
Deuteranopia #606b8a ≈ 1.27% of males
Tritanopia #00807f ≈ 0.0001% of males
Protanomaly #59778b ≈ 1.08% of males
Deuteranomaly #4e718a ≈ 4.63% of males
Tritanomaly #007e83 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-237a8a {
  color: #237a8a;
}
Background
.bg-237a8a {
  background-color: #237a8a;
  color: #ffffff;
}
Border
.border-237a8a {
  border: 2px solid #237a8a;
}
CSS variables
:root {
  --color-primary: #237a8a;
  --color-primary-rgb: 35 122 138;
  --color-primary-hsl: 189 60% 34%;
}
Gradient
.gradient-237a8a {
  background: linear-gradient(135deg, #237a8a, #23468a);
}
Colored shadow
.shadow-237a8a {
  box-shadow: 0 8px 24px rgb(35 122 138 / 0.35);
}

#367588 Teal Blue ΔE 3.68 #008080 Teal ΔE 7.93 #317873 Myrtle Green ΔE 9.01 #007ba7 Cerulean ΔE 9.46 #008b8b Dark Cyan ΔE 9.68 #0095b6 Bondi Blue ΔE 10.99 #006994 Sea Blue ΔE 11.67 #dc8575 Inverted #707070 Grayscale 

Teal Blue
#237a8a  rgb(35, 122, 138)  hsl(189, 60%, 34%)  Teal Blue
#8a3323  rgb(138, 51, 35)  hsl(9, 60%, 34%)  Burnt Umber
#8a237a  rgb(138, 35, 122)  hsl(309, 60%, 34%)  Mardi Gras
#7a8a23  rgb(122, 138, 35)  hsl(69, 60%, 34%)  Olive Drab