#304C56#304C56

#304C56 is a dark, muted cyan. Relative luminance 0.065; OKLCH L 39.8% C 0.038 H 222.5°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#304C56
RGB	rgb(48, 76, 86)
HSL	hsl(196, 28%, 26%)
HSV	hsv(196, 44%, 34%)
CMYK	cmyk(44.2%, 11.6%, 0%, 66.3%)
CIE-LAB	lab(30.57, -7.52, -9.23)
CIE-LCH	lch(30.57, 11.91, 230.81°)
OKLab	oklab(39.85% -0.0277 -0.0254)
OKLCH	oklch(39.85% 0.038 222.5)
XYZ	xyz(5.4825, 6.4688, 9.7620)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304C56 #563A30

analogous

#30564D #304C56 #303956

triadic

#304C56 #56304C #4C5630

tetradic

#304C56 #4D3056 #563A30 #395630

square

#304C56 #4D3056 #563A30 #395630

split-complementary

#304C56 #563039 #564D30

monochromatic

#0B1114 #1A292F #304C56 #466F7D #5C91A4

Accessibility & contrast

On white

9.16

#304C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#304C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304C56

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304C56	#FFFFFF	#000000	##FFFFFF
##304C56	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B57

Deuteranopia (green-blind)

#404656

Tritanopia (blue-blind)

#214F4F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #304c56;
/* rgb */ color: rgb(48, 76, 86);
/* oklch */ color: oklch(39.8% 0.038 222.5);

Tailwind

colors: {
  custom: {
    50: '#6a7e85',
    500: '#304c56',
    950: '#000000',
  },
}

SCSS

$custom: #304c56;
$custom-light: #6a7e85;
$custom-dark: #000000;

JSON

{
  "hex": "#304c56",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 86
  },
  "hsl": {
    "h": 195.789,
    "s": 28.358,
    "l": 26.275
  },
  "oklch": {
    "l": 0.39845,
    "c": 0.03761,
    "h": 222.5
  },
  "luminance": 0.06469
}

Semantic roles & 50–950 ramp

primary

#304C56

secondary

#87665A

accent

#7D63C5

background

#F6F7F8

surface

#EBEEEF

border

#C6C9CA

text

#07090B

muted

#7A7B7C

Preview Lab

Preview with #304C56

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

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