#304890#304890

#304890 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.3% C 0.122 H 267.2°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#304890
RGB	rgb(48, 72, 144)
HSL	hsl(225, 50%, 38%)
HSV	hsv(225, 67%, 56%)
CMYK	cmyk(66.7%, 50%, 0%, 43.5%)
CIE-LAB	lab(32.43, 15.46, -42.67)
CIE-LCH	lch(32.43, 45.38, 289.91°)
OKLab	oklab(42.3% -0.006 -0.1222)
OKLCH	oklch(42.3% 0.122 267.2)
XYZ	xyz(8.5686, 7.2759, 27.3330)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304890 #907830

analogous

#307890 #304890 #483090

triadic

#304890 #903048 #489030

tetradic

#304890 #903078 #907830 #309048

square

#304890 #903078 #907830 #309048

split-complementary

#304890 #904830 #789030

monochromatic

#111A34 #213162 #304890 #3F5FBE #6C85CE

Accessibility & contrast

On white

8.55

#304890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#304890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304890

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304890	#FFFFFF	#000000	##FFFFFF
##304890	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215193

Deuteranopia (green-blind)

#0A488F

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #304890;
/* rgb */ color: rgb(48, 72, 144);
/* oklch */ color: oklch(42.3% 0.122 267.2);

Tailwind

colors: {
  custom: {
    50: '#737ab1',
    500: '#304890',
    950: '#000000',
  },
}

SCSS

$custom: #304890;
$custom-light: #737ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#304890",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 144
  },
  "hsl": {
    "h": 225,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42303,
    "c": 0.12238,
    "h": 267.2
  },
  "luminance": 0.07277
}

Semantic roles & 50–950 ramp

primary

#304890

secondary

#B5A266

accent

#B74EDA

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304890

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

Preview Lab → · Contrast checker → · Palette generator →