#304AA0#304AA0

#304AA0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.143 H 267.5°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#304AA0
RGB	rgb(48, 74, 160)
HSL	hsl(226, 54%, 41%)
HSV	hsv(226, 70%, 63%)
CMYK	cmyk(70%, 53.7%, 0%, 37.3%)
CIE-LAB	lab(34.11, 20.12, -49.65)
CIE-LCH	lch(34.11, 53.58, 292.06°)
OKLab	oklab(43.94% -0.0062 -0.1427)
OKLCH	oklch(43.94% 0.143 267.5)
XYZ	xyz(10.0107, 8.0630, 34.2796)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304AA0 #A08630

analogous

#3082A0 #304AA0 #4E30A0

triadic

#304AA0 #A0304A #4AA030

tetradic

#304AA0 #A03082 #A08630 #30A04E

square

#304AA0 #A03082 #A08630 #30A04E

split-complementary

#304AA0 #A04E30 #82A030

monochromatic

#141E42 #223471 #304AA0 #4664C7 #758BD6

Accessibility & contrast

On white

8.04

#304AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#304AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304AA0

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304AA0	#FFFFFF	#000000	##FFFFFF
##304AA0	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E56A3

Deuteranopia (green-blind)

#004B9E

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #304aa0;
/* rgb */ color: rgb(48, 74, 160);
/* oklch */ color: oklch(43.9% 0.143 267.5);

Tailwind

colors: {
  custom: {
    50: '#767cbd',
    500: '#304aa0',
    950: '#000000',
  },
}

SCSS

$custom: #304aa0;
$custom-light: #767cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#304aa0",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 160
  },
  "hsl": {
    "h": 226.071,
    "s": 53.846,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43941,
    "c": 0.14289,
    "h": 267.5
  },
  "luminance": 0.08064
}

Semantic roles & 50–950 ramp

primary

#304AA0

secondary

#BEAB6E

accent

#BB4BDD

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #304AA0

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

Preview Lab → · Contrast checker → · Palette generator →