#2F77BB#2F77BB

#2F77BB is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.127 H 250.2°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F77BB
RGB	rgb(47, 119, 187)
HSL	hsl(209, 60%, 46%)
HSV	hsv(209, 75%, 73%)
CMYK	cmyk(74.9%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(48.74, 1.19, -42.14)
CIE-LCH	lch(48.74, 42.16, 271.62°)
OKLab	oklab(55.76% -0.0432 -0.1199)
OKLCH	oklch(55.76% 0.127 250.2)
XYZ	xyz(16.7354, 17.3839, 49.4775)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F77BB #BB732F

analogous

#2FBBB9 #2F77BB #2F31BB

triadic

#2F77BB #BB2F77 #77BB2F

tetradic

#2F77BB #B92FBB #BB732F #31BB2F

square

#2F77BB #B92FBB #BB732F #31BB2F

split-complementary

#2F77BB #BB2F31 #BBB92F

monochromatic

#163959 #23588A #2F77BB #5395D4 #84B4E0

Accessibility & contrast

On white

4.69

#2F77BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#2F77BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F77BB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F77BB	#FFFFFF	#000000	##FFFFFF
##2F77BB	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#436EBA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2f77bb;
/* rgb */ color: rgb(47, 119, 187);
/* oklch */ color: oklch(55.8% 0.127 250.2);

Tailwind

colors: {
  custom: {
    50: '#7a9dd0',
    500: '#2f77bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f77bb;
$custom-light: #7a9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f77bb",
  "rgb": {
    "r": 47,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 209.143,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.55755,
    "c": 0.12749,
    "h": 250.2
  },
  "luminance": 0.17386
}

Semantic roles & 50–950 ramp

primary

#2F77BB

secondary

#C9A27C

accent

#9245E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2F77BB

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

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