#2D81AB#2D81AB

#2D81AB is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.2% C 0.102 H 234.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#2D81AB
RGB	rgb(45, 129, 171)
HSL	hsl(200, 58%, 42%)
HSV	hsv(200, 74%, 67%)
CMYK	cmyk(73.7%, 24.6%, 0%, 32.9%)
CIE-LAB	lab(50.92, -10.75, -29.48)
CIE-LCH	lch(50.92, 31.38, 249.96°)
OKLab	oklab(57.2% -0.059 -0.083)
OKLCH	oklch(57.2% 0.102 234.6)
XYZ	xyz(16.2802, 19.1968, 41.3675)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D81AB #AB572D

analogous

#2DAB96 #2D81AB #2D42AB

triadic

#2D81AB #AB2D81 #81AB2D

tetradic

#2D81AB #962DAB #AB572D #42AB2D

square

#2D81AB #962DAB #AB572D #42AB2D

split-complementary

#2D81AB #AB2D42 #AB962D

monochromatic

#14384A #205C7B #2D81AB #47A1CE #77BADB

Accessibility & contrast

On white

4.34

#2D81AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#2D81AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D81AB

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D81AB	#FFFFFF	#000000	##000000
##2D81AB	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AD

Deuteranopia (green-blind)

#5B74AA

Tritanopia (blue-blind)

#008C8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #2d81ab;
/* rgb */ color: rgb(45, 129, 171);
/* oklch */ color: oklch(57.2% 0.102 234.6);

Tailwind

colors: {
  custom: {
    50: '#77a5c4',
    500: '#2d81ab',
    950: '#000000',
  },
}

SCSS

$custom: #2d81ab;
$custom-light: #77a5c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d81ab",
  "rgb": {
    "r": 45,
    "g": 129,
    "b": 171
  },
  "hsl": {
    "h": 200,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.57204,
    "c": 0.10182,
    "h": 234.6
  },
  "luminance": 0.19199
}

Semantic roles & 50–950 ramp

primary

#2D81AB

secondary

#C38C71

accent

#7A46E2

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2D81AB

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

Preview Lab → · Contrast checker → · Palette generator →