#304391#304391

#304391 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.3% C 0.130 H 269.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#304391
RGB	rgb(48, 67, 145)
HSL	hsl(228, 50%, 38%)
HSV	hsv(228, 67%, 57%)
CMYK	cmyk(66.9%, 53.8%, 0%, 43.1%)
CIE-LAB	lab(31.08, 19.20, -45.45)
CIE-LCH	lch(31.08, 49.34, 292.90°)
OKLab	oklab(41.31% -0.0009 -0.1305)
OKLCH	oklch(41.31% 0.13 269.6)
XYZ	xyz(8.3352, 6.6863, 27.6339)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304391 #917E30

analogous

#307491 #304391 #4D3091

triadic

#304391 #913043 #439130

tetradic

#304391 #913074 #917E30 #30914D

square

#304391 #913074 #917E30 #30914D

split-complementary

#304391 #914D30 #749130

monochromatic

#121935 #212E63 #304391 #3F58BF #6D80CF

Accessibility & contrast

On white

8.98

#304391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#304391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304391

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304391	#FFFFFF	#000000	##FFFFFF
##304391	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114E94

Deuteranopia (green-blind)

#00458F

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #304391;
/* rgb */ color: rgb(48, 67, 145);
/* oklch */ color: oklch(41.3% 0.130 269.6);

Tailwind

colors: {
  custom: {
    50: '#7476b2',
    500: '#304391',
    950: '#000000',
  },
}

SCSS

$custom: #304391;
$custom-light: #7476b2;
$custom-dark: #000000;

JSON

{
  "hex": "#304391",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 145
  },
  "hsl": {
    "h": 228.247,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41306,
    "c": 0.13049,
    "h": 269.6
  },
  "luminance": 0.06687
}

Semantic roles & 50–950 ramp

primary

#304391

secondary

#B6A667

accent

#BE4EDA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304391

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

Preview Lab → · Contrast checker → · Palette generator →