#304C65#304C65

#304C65 is a dark, muted cyan. Relative luminance 0.067; OKLCH L 40.6% C 0.054 H 246.5°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#304C65
RGB	rgb(48, 76, 101)
HSL	hsl(208, 36%, 29%)
HSV	hsv(208, 52%, 40%)
CMYK	cmyk(52.5%, 24.8%, 0%, 60.4%)
CIE-LAB	lab(31.20, -2.70, -17.82)
CIE-LCH	lch(31.20, 18.02, 261.39°)
OKLab	oklab(40.56% -0.0216 -0.0497)
OKLCH	oklch(40.56% 0.054 246.5)
XYZ	xyz(6.1515, 6.7364, 13.2855)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304C65 #654930

analogous

#306564 #304C65 #303265

triadic

#304C65 #65304C #4C6530

tetradic

#304C65 #643065 #654930 #326530

square

#304C65 #643065 #654930 #326530

split-complementary

#304C65 #653032 #656430

monochromatic

#0A1015 #1C2D3C #304C65 #446B8E #5D8AB2

Accessibility & contrast

On white

8.95

#304C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#304C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304C65

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304C65	#FFFFFF	#000000	##FFFFFF
##304C65	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424C66

Deuteranopia (green-blind)

#3B4765

Tritanopia (blue-blind)

#175254

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #304c65;
/* rgb */ color: rgb(48, 76, 101);
/* oklch */ color: oklch(40.6% 0.054 246.5);

Tailwind

colors: {
  custom: {
    50: '#6c7d91',
    500: '#304c65',
    950: '#000000',
  },
}

SCSS

$custom: #304c65;
$custom-light: #6c7d91;
$custom-dark: #000000;

JSON

{
  "hex": "#304c65",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 101
  },
  "hsl": {
    "h": 208.302,
    "s": 35.57,
    "l": 29.216
  },
  "oklch": {
    "l": 0.40556,
    "c": 0.05419,
    "h": 246.5
  },
  "luminance": 0.06737
}

Semantic roles & 50–950 ramp

primary

#304C65

secondary

#96775A

accent

#915CCC

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#07090C

muted

#7A7B7D

Preview Lab

Preview with #304C65

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

Preview Lab → · Contrast checker → · Palette generator →