#304679#304679

#304679 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.3% C 0.090 H 265.0°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#304679
RGB	rgb(48, 70, 121)
HSL	hsl(222, 43%, 33%)
HSV	hsv(222, 60%, 47%)
CMYK	cmyk(60.3%, 42.1%, 0%, 52.5%)
CIE-LAB	lab(30.37, 8.29, -31.73)
CIE-LCH	lch(30.37, 32.79, 284.64°)
OKLab	oklab(40.26% -0.0079 -0.0901)
OKLCH	oklch(40.26% 0.09 265)
XYZ	xyz(6.8591, 6.3886, 18.9571)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304679 #796330

analogous

#306A79 #304679 #3E3079

triadic

#304679 #793046 #467930

tetradic

#304679 #79306A #796330 #30793E

square

#304679 #79306A #796330 #30793E

split-complementary

#304679 #793E30 #6A7930

monochromatic

#0D1321 #1F2D4D #304679 #415FA5 #627FC1

Accessibility & contrast

On white

9.22

#304679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#304679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304679

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304679	#FFFFFF	#000000	##FFFFFF
##304679	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304B7B

Deuteranopia (green-blind)

#274478

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #304679;
/* rgb */ color: rgb(48, 70, 121);
/* oklch */ color: oklch(40.3% 0.090 265.0);

Tailwind

colors: {
  custom: {
    50: '#6f79a0',
    500: '#304679',
    950: '#000000',
  },
}

SCSS

$custom: #304679;
$custom-light: #6f79a0;
$custom-dark: #000000;

JSON

{
  "hex": "#304679",
  "rgb": {
    "r": 48,
    "g": 70,
    "b": 121
  },
  "hsl": {
    "h": 221.918,
    "s": 43.195,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40256,
    "c": 0.09046,
    "h": 265
  },
  "luminance": 0.06389
}

Semantic roles & 50–950 ramp

primary

#304679

secondary

#A8915D

accent

#AD55D3

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#08090E

muted

#7B7B7E

Preview Lab

Preview with #304679

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

Preview Lab → · Contrast checker → · Palette generator →