#304390#304390

#304390 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.2% C 0.129 H 269.5°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#304390
RGB	rgb(48, 67, 144)
HSL	hsl(228, 50%, 38%)
HSV	hsv(228, 67%, 56%)
CMYK	cmyk(66.7%, 53.5%, 0%, 43.5%)
CIE-LAB	lab(31.01, 18.83, -44.95)
CIE-LCH	lch(31.01, 48.74, 292.73°)
OKLab	oklab(41.23% -0.001 -0.129)
OKLCH	oklch(41.23% 0.129 269.5)
XYZ	xyz(8.2584, 6.6556, 27.2296)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304390 #907D30

analogous

#307390 #304390 #4D3090

triadic

#304390 #903043 #439030

tetradic

#304390 #903073 #907D30 #30904D

square

#304390 #903073 #907D30 #30904D

split-complementary

#304390 #904D30 #739030

monochromatic

#111834 #212E62 #304390 #3F58BE #6C80CE

Accessibility & contrast

On white

9.01

#304390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#304390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304390

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304390	#FFFFFF	#000000	##FFFFFF
##304390	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134D93

Deuteranopia (green-blind)

#00458E

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #304390;
/* rgb */ color: rgb(48, 67, 144);
/* oklch */ color: oklch(41.2% 0.129 269.5);

Tailwind

colors: {
  custom: {
    50: '#7376b1',
    500: '#304390',
    950: '#000000',
  },
}

SCSS

$custom: #304390;
$custom-light: #7376b1;
$custom-dark: #000000;

JSON

{
  "hex": "#304390",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 144
  },
  "hsl": {
    "h": 228.125,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.41228,
    "c": 0.12903,
    "h": 269.5
  },
  "luminance": 0.06656
}

Semantic roles & 50–950 ramp

primary

#304390

secondary

#B5A666

accent

#BE4EDA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #304390

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

Preview Lab → · Contrast checker → · Palette generator →