#304479#304479

#304479 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.8% C 0.093 H 266.6°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#304479
RGB	rgb(48, 68, 121)
HSL	hsl(224, 43%, 33%)
HSV	hsv(224, 60%, 47%)
CMYK	cmyk(60.3%, 43.8%, 0%, 52.5%)
CIE-LAB	lab(29.77, 9.63, -32.68)
CIE-LCH	lch(29.77, 34.07, 286.42°)
OKLab	oklab(39.79% -0.0055 -0.0929)
OKLCH	oklch(39.79% 0.093 266.6)
XYZ	xyz(6.7361, 6.1426, 18.9161)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304479 #796530

analogous

#306879 #304479 #413079

triadic

#304479 #793044 #447930

tetradic

#304479 #793068 #796530 #307941

square

#304479 #793068 #796530 #307941

split-complementary

#304479 #794130 #687930

monochromatic

#0D1321 #1F2B4D #304479 #415DA5 #627CC1

Accessibility & contrast

On white

9.42

#304479 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#304479 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304479

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304479	#FFFFFF	#000000	##FFFFFF
##304479	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4A7B

Deuteranopia (green-blind)

#234378

Tritanopia (blue-blind)

#005058

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #304479;
/* rgb */ color: rgb(48, 68, 121);
/* oklch */ color: oklch(39.8% 0.093 266.6);

Tailwind

colors: {
  custom: {
    50: '#6f77a0',
    500: '#304479',
    950: '#000000',
  },
}

SCSS

$custom: #304479;
$custom-light: #6f77a0;
$custom-dark: #000000;

JSON

{
  "hex": "#304479",
  "rgb": {
    "r": 48,
    "g": 68,
    "b": 121
  },
  "hsl": {
    "h": 223.562,
    "s": 43.195,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39791,
    "c": 0.09311,
    "h": 266.6
  },
  "luminance": 0.06143
}

Semantic roles & 50–950 ramp

primary

#304479

secondary

#A8935D

accent

#B055D3

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#08080E

muted

#7B7B7E

Preview Lab

Preview with #304479

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

Preview Lab → · Contrast checker → · Palette generator →