#304F73#304F73

#304F73 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.071 H 253.1°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#304F73
RGB	rgb(48, 79, 115)
HSL	hsl(212, 41%, 32%)
HSV	hsv(212, 58%, 45%)
CMYK	cmyk(58.3%, 31.3%, 0%, 54.9%)
CIE-LAB	lab(32.83, 0.20, -24.10)
CIE-LCH	lch(32.83, 24.10, 270.47°)
OKLab	oklab(42.06% -0.0206 -0.0678)
OKLCH	oklch(42.06% 0.071 253.1)
XYZ	xyz(7.1083, 7.4576, 17.2812)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F73 #735430

analogous

#307173 #304F73 #333073

triadic

#304F73 #73304F #4F7330

tetradic

#304F73 #733071 #735430 #307333

square

#304F73 #733071 #735430 #307333

split-complementary

#304F73 #733330 #717330

monochromatic

#0C141D #1E3148 #304F73 #426D9E #618BBD

Accessibility & contrast

On white

8.43

#304F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#304F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F73

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F73	#FFFFFF	#000000	##FFFFFF
##304F73	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405175

Deuteranopia (green-blind)

#384A72

Tritanopia (blue-blind)

#02575C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #304f73;
/* rgb */ color: rgb(48, 79, 115);
/* oklch */ color: oklch(42.1% 0.071 253.1);

Tailwind

colors: {
  custom: {
    50: '#6e809b',
    500: '#304f73',
    950: '#000000',
  },
}

SCSS

$custom: #304f73;
$custom-light: #6e809b;
$custom-dark: #000000;

JSON

{
  "hex": "#304f73",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 115
  },
  "hsl": {
    "h": 212.239,
    "s": 41.104,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42057,
    "c": 0.07087,
    "h": 253.1
  },
  "luminance": 0.07458
}

Semantic roles & 50–950 ramp

primary

#304F73

secondary

#A4825B

accent

#9857D1

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #304F73

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

Preview Lab → · Contrast checker → · Palette generator →