#304790#304790

#304790 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.1% C 0.124 H 267.7°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#304790
RGB	rgb(48, 71, 144)
HSL	hsl(226, 50%, 38%)
HSV	hsv(226, 67%, 56%)
CMYK	cmyk(66.7%, 50.7%, 0%, 43.5%)
CIE-LAB	lab(32.14, 16.13, -43.13)
CIE-LCH	lch(32.14, 46.05, 290.51°)
OKLab	oklab(42.09% -0.005 -0.1236)
OKLCH	oklch(42.09% 0.124 267.7)
XYZ	xyz(8.5045, 7.1477, 27.3116)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304790 #907930

analogous

#307790 #304790 #493090

triadic

#304790 #903047 #479030

tetradic

#304790 #903077 #907930 #309049

square

#304790 #903077 #907930 #309049

split-complementary

#304790 #904930 #779030

monochromatic

#111A34 #213062 #304790 #3F5EBE #6C84CE

Accessibility & contrast

On white

8.64

#304790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#304790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304790

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304790	#FFFFFF	#000000	##FFFFFF
##304790	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5093

Deuteranopia (green-blind)

#05478E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #304790;
/* rgb */ color: rgb(48, 71, 144);
/* oklch */ color: oklch(42.1% 0.124 267.7);

Tailwind

colors: {
  custom: {
    50: '#7379b1',
    500: '#304790',
    950: '#000000',
  },
}

SCSS

$custom: #304790;
$custom-light: #7379b1;
$custom-dark: #000000;

JSON

{
  "hex": "#304790",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 144
  },
  "hsl": {
    "h": 225.625,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42086,
    "c": 0.1237,
    "h": 267.7
  },
  "luminance": 0.07148
}

Semantic roles & 50–950 ramp

primary

#304790

secondary

#B5A366

accent

#B84EDA

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304790

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

Preview Lab → · Contrast checker → · Palette generator →