ColorTool
Log in
#2B57CA

#2b57ca ≈ Sapphire

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#2b57ca is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 16.86% red, 34.12% green and 79.22% blue; printed in CMYK it uses 78.71% cyan, 56.93% magenta, 0% yellow and 20.78% black. Its hue angle is 223.4°, with 64.9% saturation and 48.04% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 6.33:1 (WCAG AA). The closest named color is Sapphire (#0f52ba), ΔE 3.4.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1159

Complementary

  1. #2b57ca
  2. #ca9e2b

Split complementary

  1. #2b57ca
  2. #ca4f2b
  3. #a6ca2b

Analogous

  1. #2ba6ca
  2. #2b57ca
  3. #4f2bca

Triadic

  1. #2b57ca
  2. #ca2b57
  3. #57ca2b

Tetradic

  1. #2b57ca
  2. #9e2bca
  3. #ca9e2b
  4. #57ca2b

Square

  1. #2b57ca
  2. #ca2ba6
  3. #ca9e2b
  4. #2bca4f

Monochromatic

  1. #10214c
  2. #1e3c8b
  3. #2b57ca
  4. #6485de
  5. #a3b7eb

Shades

#2b57ca mixed progressively with black.

  1. #2b57ca
  2. #274eb6
  3. #2246a2
  4. #1e3d8d
  5. #1a3479
  6. #162c65
  7. #112351
  8. #0d1a3d
  9. #091128
  10. #040914
  11. #000000

Tints

#2b57ca mixed progressively with white.

  1. #2b57ca
  2. #4068cf
  3. #5579d5
  4. #6b89da
  5. #809adf
  6. #95abe5
  7. #aabcea
  8. #bfcdef
  9. #d5ddf4
  10. #eaeefa
  11. #ffffff

Tones

#2b57ca mixed progressively with gray.

  1. #2b57ca
  2. #345bc3
  3. #3c5fbb
  4. #4563b4
  5. #4d67ac
  6. #566ca5
  7. #5e709e
  8. #677496
  9. #6f788f
  10. #787c87
  11. #808080

Readable text 6.33:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.32:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #606060 ≈ 0.003% of males
Achromatomaly #505c96 ≈ 0.001% of males
Protanopia #0067ce ≈ 1.01% of males
Deuteranopia #0059c8 ≈ 1.27% of males
Tritanopia #007488 ≈ 0.0001% of males
Protanomaly #0061cc ≈ 1.08% of males
Deuteranomaly #0058c9 ≈ 4.63% of males
Tritanomaly #0069a6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2b57ca {
  color: #2b57ca;
}
Background
.bg-2b57ca {
  background-color: #2b57ca;
  color: #ffffff;
}
Border
.border-2b57ca {
  border: 2px solid #2b57ca;
}
CSS variables
:root {
  --color-primary: #2b57ca;
  --color-primary-rgb: 43 87 202;
  --color-primary-hsl: 223 65% 48%;
}
Gradient
.gradient-2b57ca {
  background: linear-gradient(135deg, #2b57ca, #4f2bca);
}
Colored shadow
.shadow-2b57ca {
  box-shadow: 0 8px 24px rgb(43 87 202 / 0.35);
}

#0f52ba Sapphire ΔE 3.40 #1560bd Denim ΔE 5.13 #0047ab Cobalt Blue ΔE 6.67 #4169e1 Royal Blue ΔE 6.86 #5a4fcf Iris ΔE 7.33 #26619c Lapis Lazuli ΔE 7.79 #4166f5 Ultramarine Blue ΔE 7.95 #d4a835 Inverted #606060 Grayscale 

Sapphire
#2b57ca  rgb(43, 87, 202)  hsl(223, 65%, 48%)  Sapphire
#ca9e2b  rgb(202, 158, 43)  hsl(43, 65%, 48%)  Goldenrod
#ca2b57  rgb(202, 43, 87)  hsl(343, 65%, 48%)  Ruby
#57ca2b  rgb(87, 202, 43)  hsl(103, 65%, 48%)  Lime Green