#304279#304279

#304279 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.3% C 0.096 H 268.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#304279
RGB	rgb(48, 66, 121)
HSL	hsl(225, 43%, 33%)
HSV	hsv(225, 60%, 47%)
CMYK	cmyk(60.3%, 45.5%, 0%, 52.5%)
CIE-LAB	lab(29.17, 10.99, -33.64)
CIE-LCH	lch(29.17, 35.39, 288.09°)
OKLab	oklab(39.33% -0.0031 -0.0958)
OKLCH	oklch(39.33% 0.096 268.2)
XYZ	xyz(6.6172, 5.9048, 18.8765)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304279 #796730

analogous

#306679 #304279 #423079

triadic

#304279 #793042 #427930

tetradic

#304279 #793066 #796730 #307942

square

#304279 #793066 #796730 #307942

split-complementary

#304279 #794230 #667930

monochromatic

#0D1221 #1F2A4D #304279 #415AA5 #627AC1

Accessibility & contrast

On white

9.63

#304279 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#304279 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304279

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304279	#FFFFFF	#000000	##FFFFFF
##304279	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A487B

Deuteranopia (green-blind)

#204278

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #304279;
/* rgb */ color: rgb(48, 66, 121);
/* oklch */ color: oklch(39.3% 0.096 268.2);

Tailwind

colors: {
  custom: {
    50: '#6f76a0',
    500: '#304279',
    950: '#000000',
  },
}

SCSS

$custom: #304279;
$custom-light: #6f76a0;
$custom-dark: #000000;

JSON

{
  "hex": "#304279",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 121
  },
  "hsl": {
    "h": 225.205,
    "s": 43.195,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39331,
    "c": 0.09582,
    "h": 268.2
  },
  "luminance": 0.05905
}

Semantic roles & 50–950 ramp

primary

#304279

secondary

#A8955D

accent

#B455D3

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#08080F

muted

#7B7B7E

Preview Lab

Preview with #304279

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

Preview Lab → · Contrast checker → · Palette generator →