#304F92#304F92

#304F92 is a dark, moderate blue. Relative luminance 0.083; OKLCH L 44.0% C 0.116 H 263.6°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#304F92
RGB	rgb(48, 79, 146)
HSL	hsl(221, 51%, 38%)
HSV	hsv(221, 67%, 57%)
CMYK	cmyk(67.1%, 45.9%, 0%, 42.7%)
CIE-LAB	lab(34.59, 11.53, -40.42)
CIE-LCH	lch(34.59, 42.03, 285.92°)
OKLab	oklab(44% -0.0129 -0.1155)
OKLCH	oklch(44% 0.116 263.6)
XYZ	xyz(9.2014, 8.2948, 28.3047)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F92 #927330

analogous

#308092 #304F92 #423092

triadic

#304F92 #92304F #4F9230

tetradic

#304F92 #923080 #927330 #309242

square

#304F92 #923080 #927330 #309242

split-complementary

#304F92 #924230 #809230

monochromatic

#121D36 #213664 #304F92 #3F68C0 #6D8CCF

Accessibility & contrast

On white

7.90

#304F92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#304F92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F92

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F92	#FFFFFF	#000000	##FFFFFF
##304F92	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5695

Deuteranopia (green-blind)

#1D4D91

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #304f92;
/* rgb */ color: rgb(48, 79, 146);
/* oklch */ color: oklch(44.0% 0.116 263.6);

Tailwind

colors: {
  custom: {
    50: '#737fb2',
    500: '#304f92',
    950: '#000000',
  },
}

SCSS

$custom: #304f92;
$custom-light: #737fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#304f92",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 146
  },
  "hsl": {
    "h": 221.02,
    "s": 50.515,
    "l": 38.039
  },
  "oklch": {
    "l": 0.44,
    "c": 0.11622,
    "h": 263.6
  },
  "luminance": 0.08296
}

Semantic roles & 50–950 ramp

primary

#304F92

secondary

#B79D67

accent

#AE4EDA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #304F92

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

Preview Lab → · Contrast checker → · Palette generator →