#304D71#304D71

#304D71 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.5% C 0.070 H 254.5°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#304D71
RGB	rgb(48, 77, 113)
HSL	hsl(213, 40%, 32%)
HSV	hsv(213, 58%, 44%)
CMYK	cmyk(57.5%, 31.9%, 0%, 55.7%)
CIE-LAB	lab(32.10, 0.79, -23.99)
CIE-LCH	lch(32.10, 24.01, 271.88°)
OKLab	oklab(41.45% -0.0187 -0.0675)
OKLCH	oklch(41.45% 0.07 254.5)
XYZ	xyz(6.8524, 7.1278, 16.6343)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304D71 #715430

analogous

#306E71 #304D71 #343071

triadic

#304D71 #71304D #4D7130

tetradic

#304D71 #71306E #715430 #307134

square

#304D71 #71306E #715430 #307134

split-complementary

#304D71 #713430 #6E7130

monochromatic

#0C121B #1E3046 #304D71 #426A9C #6089BB

Accessibility & contrast

On white

8.66

#304D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#304D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304D71

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304D71	#FFFFFF	#000000	##FFFFFF
##304D71	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F73

Deuteranopia (green-blind)

#364970

Tritanopia (blue-blind)

#06555A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #304d71;
/* rgb */ color: rgb(48, 77, 113);
/* oklch */ color: oklch(41.5% 0.070 254.5);

Tailwind

colors: {
  custom: {
    50: '#6e7e9a',
    500: '#304d71',
    950: '#000000',
  },
}

SCSS

$custom: #304d71;
$custom-light: #6e7e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#304d71",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 113
  },
  "hsl": {
    "h": 213.231,
    "s": 40.373,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41452,
    "c": 0.07005,
    "h": 254.5
  },
  "luminance": 0.07128
}

Semantic roles & 50–950 ramp

primary

#304D71

secondary

#A2825B

accent

#9A58D0

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #304D71

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

Preview Lab → · Contrast checker → · Palette generator →