#304B95#304B95

#304B95 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.126 H 266.2°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#304B95
RGB	rgb(48, 75, 149)
HSL	hsl(224, 51%, 39%)
HSV	hsv(224, 68%, 58%)
CMYK	cmyk(67.8%, 49.7%, 0%, 41.6%)
CIE-LAB	lab(33.63, 15.32, -43.79)
CIE-LCH	lch(33.63, 46.39, 289.28°)
OKLab	oklab(43.33% -0.0083 -0.1255)
OKLCH	oklch(43.33% 0.126 266.2)
XYZ	xyz(9.1579, 7.8296, 29.4566)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304B95 #957A30

analogous

#307D95 #304B95 #473095

triadic

#304B95 #95304B #4B9530

tetradic

#304B95 #95307D #957A30 #309547

square

#304B95 #95307D #957A30 #309547

split-complementary

#304B95 #954730 #7D9530

monochromatic

#121C38 #213467 #304B95 #4163C2 #6F89D1

Accessibility & contrast

On white

8.18

#304B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#304B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304B95

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304B95	#FFFFFF	#000000	##FFFFFF
##304B95	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235498

Deuteranopia (green-blind)

#0A4B93

Tritanopia (blue-blind)

#005C69

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #304b95;
/* rgb */ color: rgb(48, 75, 149);
/* oklch */ color: oklch(43.3% 0.126 266.2);

Tailwind

colors: {
  custom: {
    50: '#747cb5',
    500: '#304b95',
    950: '#000000',
  },
}

SCSS

$custom: #304b95;
$custom-light: #747cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#304b95",
  "rgb": {
    "r": 48,
    "g": 75,
    "b": 149
  },
  "hsl": {
    "h": 223.96,
    "s": 51.269,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43325,
    "c": 0.12576,
    "h": 266.2
  },
  "luminance": 0.0783
}

Semantic roles & 50–950 ramp

primary

#304B95

secondary

#B8A369

accent

#B54DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304B95

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

Preview Lab → · Contrast checker → · Palette generator →