#304573#304573

#304573 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.6% C 0.083 H 264.4°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#304573
RGB	rgb(48, 69, 115)
HSL	hsl(221, 41%, 32%)
HSV	hsv(221, 58%, 45%)
CMYK	cmyk(58.3%, 40%, 0%, 54.9%)
CIE-LAB	lab(29.72, 6.78, -28.99)
CIE-LCH	lch(29.72, 29.78, 283.17°)
OKLab	oklab(39.64% -0.008 -0.0821)
OKLCH	oklch(39.64% 0.083 264.4)
XYZ	xyz(6.4405, 6.1219, 17.0586)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304573 #735E30

analogous

#306773 #304573 #3D3073

triadic

#304573 #733045 #457330

tetradic

#304573 #733067 #735E30 #30733D

square

#304573 #733067 #735E30 #30733D

split-complementary

#304573 #733D30 #677330

monochromatic

#0C111D #1E2B48 #304573 #425F9E #617DBD

Accessibility & contrast

On white

9.44

#304573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#304573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304573

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304573	#FFFFFF	#000000	##FFFFFF
##304573	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324975

Deuteranopia (green-blind)

#2A4372

Tritanopia (blue-blind)

#064F56

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #304573;
/* rgb */ color: rgb(48, 69, 115);
/* oklch */ color: oklch(39.6% 0.083 264.4);

Tailwind

colors: {
  custom: {
    50: '#6e789b',
    500: '#304573',
    950: '#000000',
  },
}

SCSS

$custom: #304573;
$custom-light: #6e789b;
$custom-dark: #000000;

JSON

{
  "hex": "#304573",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 115
  },
  "hsl": {
    "h": 221.194,
    "s": 41.104,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39636,
    "c": 0.08252,
    "h": 264.4
  },
  "luminance": 0.06122
}

Semantic roles & 50–950 ramp

primary

#304573

secondary

#A48D5B

accent

#AB57D1

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #304573

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

Preview Lab → · Contrast checker → · Palette generator →