#304191#304191

#304191 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.133 H 270.4°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#304191
RGB	rgb(48, 65, 145)
HSL	hsl(229, 50%, 38%)
HSV	hsv(229, 67%, 57%)
CMYK	cmyk(66.9%, 55.2%, 0%, 43.1%)
CIE-LAB	lab(30.53, 20.55, -46.35)
CIE-LCH	lch(30.53, 50.70, 293.91°)
OKLab	oklab(40.89% 0.001 -0.1332)
OKLCH	oklch(40.89% 0.133 270.4)
XYZ	xyz(8.2183, 6.4526, 27.5949)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304191 #918030

analogous

#307191 #304191 #503091

triadic

#304191 #913041 #419130

tetradic

#304191 #913071 #918030 #309150

square

#304191 #913071 #918030 #309150

split-complementary

#304191 #915030 #719130

monochromatic

#121835 #212C63 #304191 #3F56BF #6D7ECF

Accessibility & contrast

On white

9.17

#304191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#304191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304191

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304191	#FFFFFF	#000000	##FFFFFF
##304191	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074C94

Deuteranopia (green-blind)

#00448F

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #304191;
/* rgb */ color: rgb(48, 65, 145);
/* oklch */ color: oklch(40.9% 0.133 270.4);

Tailwind

colors: {
  custom: {
    50: '#7475b2',
    500: '#304191',
    950: '#000000',
  },
}

SCSS

$custom: #304191;
$custom-light: #7475b2;
$custom-dark: #000000;

JSON

{
  "hex": "#304191",
  "rgb": {
    "r": 48,
    "g": 65,
    "b": 145
  },
  "hsl": {
    "h": 229.485,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40888,
    "c": 0.13316,
    "h": 270.4
  },
  "luminance": 0.06453
}

Semantic roles & 50–950 ramp

primary

#304191

secondary

#B6A867

accent

#C14EDA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304191

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

Preview Lab → · Contrast checker → · Palette generator →