#304D96#304D96

#304D96 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.125 H 265.3°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#304D96
RGB	rgb(48, 77, 150)
HSL	hsl(223, 52%, 39%)
HSV	hsv(223, 68%, 59%)
CMYK	cmyk(68%, 48.7%, 0%, 41.2%)
CIE-LAB	lab(34.27, 14.36, -43.37)
CIE-LCH	lch(34.27, 45.68, 288.32°)
OKLab	oklab(43.84% -0.0102 -0.1242)
OKLCH	oklch(43.84% 0.125 265.3)
XYZ	xyz(9.3759, 8.1372, 29.9248)
Luminance	0.0814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304D96 #967930

analogous

#308096 #304D96 #463096

triadic

#304D96 #96304D #4D9630

tetradic

#304D96 #963080 #967930 #309646

square

#304D96 #963080 #967930 #309646

split-complementary

#304D96 #964630 #809630

monochromatic

#121D39 #213568 #304D96 #4166C2 #6F8BD1

Accessibility & contrast

On white

7.99

#304D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#304D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304D96

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304D96	#FFFFFF	#000000	##FFFFFF
##304D96	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275699

Deuteranopia (green-blind)

#104C94

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #304d96;
/* rgb */ color: rgb(48, 77, 150);
/* oklch */ color: oklch(43.8% 0.125 265.3);

Tailwind

colors: {
  custom: {
    50: '#747eb5',
    500: '#304d96',
    950: '#000000',
  },
}

SCSS

$custom: #304d96;
$custom-light: #747eb5;
$custom-dark: #000000;

JSON

{
  "hex": "#304d96",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 150
  },
  "hsl": {
    "h": 222.941,
    "s": 51.515,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43836,
    "c": 0.12462,
    "h": 265.3
  },
  "luminance": 0.08138
}

Semantic roles & 50–950 ramp

primary

#304D96

secondary

#B9A269

accent

#B34DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304D96

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

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