#2B81A4#2B81A4

#2B81A4 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.8% C 0.096 H 229.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B81A4
RGB	rgb(43, 129, 164)
HSL	hsl(197, 58%, 41%)
HSV	hsv(197, 74%, 64%)
CMYK	cmyk(73.8%, 21.3%, 0%, 35.7%)
CIE-LAB	lab(50.56, -13.47, -25.98)
CIE-LCH	lch(50.56, 29.26, 242.59°)
OKLab	oklab(56.81% -0.0626 -0.0729)
OKLCH	oklch(56.81% 0.096 229.4)
XYZ	xyz(15.5446, 18.8926, 37.9422)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B81A4 #A44E2B

analogous

#2BA48A #2B81A4 #2B45A4

triadic

#2B81A4 #A42B81 #81A42B

tetradic

#2B81A4 #8A2BA4 #A44E2B #45A42B

square

#2B81A4 #8A2BA4 #A44E2B #45A42B

split-complementary

#2B81A4 #A42B45 #A48A2B

monochromatic

#123543 #1E5B74 #2B81A4 #3FA4CD #70BBD9

Accessibility & contrast

On white

4.39

#2B81A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#2B81A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B81A4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B81A4	#FFFFFF	#000000	##000000
##2B81A4	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7FA6

Deuteranopia (green-blind)

#5E73A4

Tritanopia (blue-blind)

#008B8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2b81a4;
/* rgb */ color: rgb(43, 129, 164);
/* oklch */ color: oklch(56.8% 0.096 229.4);

Tailwind

colors: {
  custom: {
    50: '#75a5bf',
    500: '#2b81a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b81a4;
$custom-light: #75a5bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b81a4",
  "rgb": {
    "r": 43,
    "g": 129,
    "b": 164
  },
  "hsl": {
    "h": 197.355,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56805,
    "c": 0.09609,
    "h": 229.4
  },
  "luminance": 0.18894
}

Semantic roles & 50–950 ramp

primary

#2B81A4

secondary

#C1836A

accent

#7346E2

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2B81A4

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

Preview Lab → · Contrast checker → · Palette generator →