#2B81A3#2B81A3

#2B81A3 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.8% C 0.095 H 228.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B81A3
RGB	rgb(43, 129, 163)
HSL	hsl(197, 58%, 40%)
HSV	hsv(197, 74%, 64%)
CMYK	cmyk(73.6%, 20.9%, 0%, 36.1%)
CIE-LAB	lab(50.52, -13.82, -25.46)
CIE-LCH	lch(50.52, 28.97, 241.52°)
OKLab	oklab(56.76% -0.0629 -0.0714)
OKLCH	oklch(56.76% 0.095 228.6)
XYZ	xyz(15.4547, 18.8567, 37.4684)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B81A3 #A34D2B

analogous

#2BA389 #2B81A3 #2B45A3

triadic

#2B81A3 #A32B81 #81A32B

tetradic

#2B81A3 #892BA3 #A34D2B #45A32B

square

#2B81A3 #892BA3 #A34D2B #45A32B

split-complementary

#2B81A3 #A32B45 #A3892B

monochromatic

#113442 #1E5B73 #2B81A3 #3FA4CC #6FBBD9

Accessibility & contrast

On white

4.40

#2B81A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#2B81A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B81A3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B81A3	#FFFFFF	#000000	##000000
##2B81A3	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7FA5

Deuteranopia (green-blind)

#5F73A3

Tritanopia (blue-blind)

#008B8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2b81a3;
/* rgb */ color: rgb(43, 129, 163);
/* oklch */ color: oklch(56.8% 0.095 228.6);

Tailwind

colors: {
  custom: {
    50: '#75a5be',
    500: '#2b81a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b81a3;
$custom-light: #75a5be;
$custom-dark: #000000;

JSON

{
  "hex": "#2b81a3",
  "rgb": {
    "r": 43,
    "g": 129,
    "b": 163
  },
  "hsl": {
    "h": 197,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.56758,
    "c": 0.09521,
    "h": 228.6
  },
  "luminance": 0.18858
}

Semantic roles & 50–950 ramp

primary

#2B81A3

secondary

#C0826A

accent

#7246E1

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2B81A3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →