#304F71#304F71

#304F71 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.9% C 0.068 H 251.8°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#304F71
RGB	rgb(48, 79, 113)
HSL	hsl(211, 40%, 32%)
HSV	hsv(211, 58%, 44%)
CMYK	cmyk(57.5%, 30.1%, 0%, 55.7%)
CIE-LAB	lab(32.73, -0.50, -23.01)
CIE-LCH	lch(32.73, 23.01, 268.75°)
OKLab	oklab(41.95% -0.0213 -0.0646)
OKLCH	oklch(41.95% 0.068 251.8)
XYZ	xyz(6.9945, 7.4120, 16.6817)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F71 #715230

analogous

#307071 #304F71 #323071

triadic

#304F71 #71304F #4F7130

tetradic

#304F71 #713070 #715230 #307132

square

#304F71 #713070 #715230 #307132

split-complementary

#304F71 #713230 #707130

monochromatic

#0C131B #1E3146 #304F71 #426D9C #608CBB

Accessibility & contrast

On white

8.46

#304F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#304F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F71

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F71	#FFFFFF	#000000	##FFFFFF
##304F71	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415072

Deuteranopia (green-blind)

#394A70

Tritanopia (blue-blind)

#05575B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #304f71;
/* rgb */ color: rgb(48, 79, 113);
/* oklch */ color: oklch(41.9% 0.068 251.8);

Tailwind

colors: {
  custom: {
    50: '#6e809a',
    500: '#304f71',
    950: '#000000',
  },
}

SCSS

$custom: #304f71;
$custom-light: #6e809a;
$custom-dark: #000000;

JSON

{
  "hex": "#304f71",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 113
  },
  "hsl": {
    "h": 211.385,
    "s": 40.373,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41947,
    "c": 0.06804,
    "h": 251.8
  },
  "luminance": 0.07413
}

Semantic roles & 50–950 ramp

primary

#304F71

secondary

#A2805B

accent

#9758D0

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #304F71

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

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