#304D98#304D98

#304D98 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.0% C 0.128 H 265.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#304D98
RGB	rgb(48, 77, 152)
HSL	hsl(223, 52%, 39%)
HSV	hsv(223, 68%, 60%)
CMYK	cmyk(68.4%, 49.3%, 0%, 40.4%)
CIE-LAB	lab(34.40, 15.11, -44.36)
CIE-LCH	lch(34.40, 46.87, 288.81°)
OKLab	oklab(43.98% -0.0099 -0.1271)
OKLCH	oklch(43.98% 0.128 265.5)
XYZ	xyz(9.5383, 8.2022, 30.7802)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304D98 #987B30

analogous

#308198 #304D98 #473098

triadic

#304D98 #98304D #4D9830

tetradic

#304D98 #983081 #987B30 #309847

square

#304D98 #983081 #987B30 #309847

split-complementary

#304D98 #984730 #819830

monochromatic

#131E3B #213569 #304D98 #4266C3 #708CD2

Accessibility & contrast

On white

7.95

#304D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#304D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304D98

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304D98	#FFFFFF	#000000	##FFFFFF
##304D98	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25569B

Deuteranopia (green-blind)

#0A4C96

Tritanopia (blue-blind)

#005E6B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #304d98;
/* rgb */ color: rgb(48, 77, 152);
/* oklch */ color: oklch(44.0% 0.128 265.5);

Tailwind

colors: {
  custom: {
    50: '#757eb7',
    500: '#304d98',
    950: '#000000',
  },
}

SCSS

$custom: #304d98;
$custom-light: #757eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#304d98",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 152
  },
  "hsl": {
    "h": 223.269,
    "s": 52,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43981,
    "c": 0.12752,
    "h": 265.5
  },
  "luminance": 0.08203
}

Semantic roles & 50–950 ramp

primary

#304D98

secondary

#BAA36A

accent

#B44CDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304D98

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

Preview Lab → · Contrast checker → · Palette generator →