#304183#304183

#304183 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.8% C 0.112 H 269.8°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#304183
RGB	rgb(48, 65, 131)
HSL	hsl(228, 46%, 35%)
HSV	hsv(228, 63%, 51%)
CMYK	cmyk(63.4%, 50.4%, 0%, 48.6%)
CIE-LAB	lab(29.53, 15.35, -39.31)
CIE-LCH	lch(29.53, 42.20, 291.33°)
OKLab	oklab(39.82% -0.0004 -0.1124)
OKLCH	oklch(39.82% 0.112 269.8)
XYZ	xyz(7.2046, 6.0471, 22.2559)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304183 #837230

analogous

#306A83 #304183 #493083

triadic

#304183 #833041 #418330

tetradic

#304183 #83306A #837230 #308349

square

#304183 #83306A #837230 #308349

split-complementary

#304183 #834930 #6A8330

monochromatic

#0F1529 #202B56 #304183 #4057B0 #667AC7

Accessibility & contrast

On white

9.50

#304183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#304183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304183

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304183	#FFFFFF	#000000	##FFFFFF
##304183	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4985

Deuteranopia (green-blind)

#0F4282

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #304183;
/* rgb */ color: rgb(48, 65, 131);
/* oklch */ color: oklch(39.8% 0.112 269.8);

Tailwind

colors: {
  custom: {
    50: '#7175a7',
    500: '#304183',
    950: '#000000',
  },
}

SCSS

$custom: #304183;
$custom-light: #7175a7;
$custom-dark: #000000;

JSON

{
  "hex": "#304183",
  "rgb": {
    "r": 48,
    "g": 65,
    "b": 131
  },
  "hsl": {
    "h": 227.711,
    "s": 46.369,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39817,
    "c": 0.11245,
    "h": 269.8
  },
  "luminance": 0.06048
}

Semantic roles & 50–950 ramp

primary

#304183

secondary

#AE9E61

accent

#BB52D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #304183

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

Preview Lab → · Contrast checker → · Palette generator →