#2F81AB#2F81AB

#2F81AB is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.101 H 235.0°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#2F81AB
RGB	rgb(47, 129, 171)
HSL	hsl(200, 57%, 43%)
HSV	hsv(200, 73%, 67%)
CMYK	cmyk(72.5%, 24.6%, 0%, 32.9%)
CIE-LAB	lab(50.97, -10.48, -29.39)
CIE-LCH	lch(50.97, 31.20, 250.38°)
OKLab	oklab(57.26% -0.0579 -0.0827)
OKLCH	oklch(57.26% 0.101 235)
XYZ	xyz(16.3703, 19.2433, 41.3717)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F81AB #AB592F

analogous

#2FAB97 #2F81AB #2F43AB

triadic

#2F81AB #AB2F81 #81AB2F

tetradic

#2F81AB #972FAB #AB592F #43AB2F

square

#2F81AB #972FAB #AB592F #43AB2F

split-complementary

#2F81AB #AB2F43 #AB972F

monochromatic

#15394B #225D7B #2F81AB #4AA1CD #7ABADA

Accessibility & contrast

On white

4.33

#2F81AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#2F81AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2F81AB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F81AB	#FFFFFF	#000000	##000000
##2F81AB	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AD

Deuteranopia (green-blind)

#5C74AA

Tritanopia (blue-blind)

#008C8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #2f81ab;
/* rgb */ color: rgb(47, 129, 171);
/* oklch */ color: oklch(57.3% 0.101 235.0);

Tailwind

colors: {
  custom: {
    50: '#78a5c4',
    500: '#2f81ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f81ab;
$custom-light: #78a5c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f81ab",
  "rgb": {
    "r": 47,
    "g": 129,
    "b": 171
  },
  "hsl": {
    "h": 200.323,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.57262,
    "c": 0.10098,
    "h": 235
  },
  "luminance": 0.19245
}

Semantic roles & 50–950 ramp

primary

#2F81AB

secondary

#C38E73

accent

#7B48E0

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2F81AB

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

Preview Lab → · Contrast checker → · Palette generator →