#304379#304379

#304379 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.6% C 0.094 H 267.4°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#304379
RGB	rgb(48, 67, 121)
HSL	hsl(224, 43%, 33%)
HSV	hsv(224, 60%, 47%)
CMYK	cmyk(60.3%, 44.6%, 0%, 52.5%)
CIE-LAB	lab(29.47, 10.31, -33.16)
CIE-LCH	lch(29.47, 34.73, 287.27°)
OKLab	oklab(39.56% -0.0043 -0.0944)
OKLCH	oklch(39.56% 0.094 267.4)
XYZ	xyz(6.6761, 6.0226, 18.8961)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304379 #796630

analogous

#306779 #304379 #423079

triadic

#304379 #793043 #437930

tetradic

#304379 #793067 #796630 #307942

square

#304379 #793067 #796630 #307942

split-complementary

#304379 #794230 #677930

monochromatic

#0D1221 #1F2B4D #304379 #415BA5 #627BC1

Accessibility & contrast

On white

9.53

#304379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#304379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304379

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304379	#FFFFFF	#000000	##FFFFFF
##304379	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B497B

Deuteranopia (green-blind)

#214278

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #304379;
/* rgb */ color: rgb(48, 67, 121);
/* oklch */ color: oklch(39.6% 0.094 267.4);

Tailwind

colors: {
  custom: {
    50: '#6f76a0',
    500: '#304379',
    950: '#000000',
  },
}

SCSS

$custom: #304379;
$custom-light: #6f76a0;
$custom-dark: #000000;

JSON

{
  "hex": "#304379",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 121
  },
  "hsl": {
    "h": 224.384,
    "s": 43.195,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3956,
    "c": 0.09446,
    "h": 267.4
  },
  "luminance": 0.06023
}

Semantic roles & 50–950 ramp

primary

#304379

secondary

#A8945D

accent

#B255D3

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#08080F

muted

#7B7B7E

Preview Lab

Preview with #304379

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

Preview Lab → · Contrast checker → · Palette generator →