#304A82#304A82

#304A82 is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.8% C 0.099 H 263.9°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#304A82
RGB	rgb(48, 74, 130)
HSL	hsl(221, 46%, 35%)
HSV	hsv(221, 63%, 51%)
CMYK	cmyk(63.1%, 43.1%, 0%, 49%)
CIE-LAB	lab(32.12, 8.91, -34.55)
CIE-LCH	lch(32.12, 35.68, 284.46°)
OKLab	oklab(41.78% -0.0106 -0.0984)
OKLCH	oklch(41.78% 0.099 263.9)
XYZ	xyz(7.6956, 7.1370, 22.0868)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304A82 #826830

analogous

#307382 #304A82 #3F3082

triadic

#304A82 #82304A #4A8230

tetradic

#304A82 #823073 #826830 #30823F

square

#304A82 #823073 #826830 #30823F

split-complementary

#304A82 #823F30 #738230

monochromatic

#0F1729 #1F3155 #304A82 #4163AF #6685C6

Accessibility & contrast

On white

8.65

#304A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#304A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304A82

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304A82	#FFFFFF	#000000	##FFFFFF
##304A82	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315084

Deuteranopia (green-blind)

#254881

Tritanopia (blue-blind)

#00575F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #304a82;
/* rgb */ color: rgb(48, 74, 130);
/* oklch */ color: oklch(41.8% 0.099 263.9);

Tailwind

colors: {
  custom: {
    50: '#707ca7',
    500: '#304a82',
    950: '#000000',
  },
}

SCSS

$custom: #304a82;
$custom-light: #707ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#304a82",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 130
  },
  "hsl": {
    "h": 220.976,
    "s": 46.067,
    "l": 34.902
  },
  "oklch": {
    "l": 0.41776,
    "c": 0.09893,
    "h": 263.9
  },
  "luminance": 0.07138
}

Semantic roles & 50–950 ramp

primary

#304A82

secondary

#AE9560

accent

#AC52D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #304A82

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

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