#304897#304897

#304897 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.133 H 267.8°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#304897
RGB	rgb(48, 72, 151)
HSL	hsl(226, 52%, 39%)
HSV	hsv(226, 68%, 59%)
CMYK	cmyk(68.2%, 52.3%, 0%, 40.8%)
CIE-LAB	lab(32.91, 18.08, -46.16)
CIE-LCH	lch(32.91, 49.57, 291.39°)
OKLab	oklab(42.83% -0.0052 -0.1325)
OKLCH	oklch(42.83% 0.133 267.8)
XYZ	xyz(9.1203, 7.4966, 30.2385)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304897 #977F30

analogous

#307C97 #304897 #4B3097

triadic

#304897 #973048 #489730

tetradic

#304897 #97307C #977F30 #30974B

square

#304897 #97307C #977F30 #30974B

split-complementary

#304897 #974B30 #7C9730

monochromatic

#121C3A #213269 #304897 #4160C3 #7087D2

Accessibility & contrast

On white

8.40

#304897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#304897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304897

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304897	#FFFFFF	#000000	##FFFFFF
##304897	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18529A

Deuteranopia (green-blind)

#004995

Tritanopia (blue-blind)

#005B68

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #304897;
/* rgb */ color: rgb(48, 72, 151);
/* oklch */ color: oklch(42.8% 0.133 267.8);

Tailwind

colors: {
  custom: {
    50: '#757ab6',
    500: '#304897',
    950: '#000000',
  },
}

SCSS

$custom: #304897;
$custom-light: #757ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#304897",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 151
  },
  "hsl": {
    "h": 226.019,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.42827,
    "c": 0.13259,
    "h": 267.8
  },
  "luminance": 0.07497
}

Semantic roles & 50–950 ramp

primary

#304897

secondary

#B9A76A

accent

#BA4DDB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304897

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

Preview Lab → · Contrast checker → · Palette generator →