#2F81B8#2F81B8

#2F81B8 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.9% C 0.115 H 242.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F81B8
RGB	rgb(47, 129, 184)
HSL	hsl(204, 59%, 45%)
HSV	hsv(204, 74%, 72%)
CMYK	cmyk(74.5%, 29.9%, 0%, 27.8%)
CIE-LAB	lab(51.57, -5.87, -35.95)
CIE-LCH	lch(51.57, 36.43, 260.72°)
OKLab	oklab(57.93% -0.0536 -0.1017)
OKLCH	oklch(57.93% 0.115 242.2)
XYZ	xyz(17.6709, 19.7635, 48.2215)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F81B8 #B8662F

analogous

#2FB8AB #2F81B8 #2F3CB8

triadic

#2F81B8 #B82F81 #81B82F

tetradic

#2F81B8 #AB2FB8 #B8662F #3CB82F

square

#2F81B8 #AB2FB8 #B8662F #3CB82F

split-complementary

#2F81B8 #B82F3C #B8AB2F

monochromatic

#163D57 #235F87 #2F81B8 #529FD3 #82BADF

Accessibility & contrast

On white

4.24

#2F81B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#2F81B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2F81B8

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F81B8	#FFFFFF	#000000	##000000
##2F81B8	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6882BA

Deuteranopia (green-blind)

#5575B7

Tritanopia (blue-blind)

#008F94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2f81b8;
/* rgb */ color: rgb(47, 129, 184);
/* oklch */ color: oklch(57.9% 0.115 242.2);

Tailwind

colors: {
  custom: {
    50: '#7aa5cd',
    500: '#2f81b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f81b8;
$custom-light: #7aa5cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f81b8",
  "rgb": {
    "r": 47,
    "g": 129,
    "b": 184
  },
  "hsl": {
    "h": 204.088,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57933,
    "c": 0.11497,
    "h": 242.2
  },
  "luminance": 0.19766
}

Semantic roles & 50–950 ramp

primary

#2F81B8

secondary

#C89A7B

accent

#8445E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #2F81B8

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

Preview Lab → · Contrast checker → · Palette generator →