#304585#304585

#304585 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.8% C 0.110 H 267.7°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#304585
RGB	rgb(48, 69, 133)
HSL	hsl(225, 47%, 35%)
HSV	hsv(225, 64%, 52%)
CMYK	cmyk(63.9%, 48.1%, 0%, 47.8%)
CIE-LAB	lab(30.82, 13.38, -38.48)
CIE-LCH	lch(30.82, 40.74, 289.18°)
OKLab	oklab(40.85% -0.0044 -0.1099)
OKLCH	oklch(40.85% 0.11 267.7)
XYZ	xyz(7.5792, 6.5774, 23.0559)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304585 #857030

analogous

#306F85 #304585 #453085

triadic

#304585 #853045 #458530

tetradic

#304585 #85306F #857030 #308545

square

#304585 #85306F #857030 #308545

split-complementary

#304585 #854530 #6F8530

monochromatic

#10162B #202E58 #304585 #405CB2 #677FC8

Accessibility & contrast

On white

9.07

#304585 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#304585 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304585

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304585	#FFFFFF	#000000	##FFFFFF
##304585	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264D87

Deuteranopia (green-blind)

#174584

Tritanopia (blue-blind)

#00545E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #304585;
/* rgb */ color: rgb(48, 69, 133);
/* oklch */ color: oklch(40.8% 0.110 267.7);

Tailwind

colors: {
  custom: {
    50: '#7178a9',
    500: '#304585',
    950: '#000000',
  },
}

SCSS

$custom: #304585;
$custom-light: #7178a9;
$custom-dark: #000000;

JSON

{
  "hex": "#304585",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 133
  },
  "hsl": {
    "h": 225.176,
    "s": 46.961,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40846,
    "c": 0.11003,
    "h": 267.7
  },
  "luminance": 0.06578
}

Semantic roles & 50–950 ramp

primary

#304585

secondary

#AF9C61

accent

#B651D7

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #304585

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

Preview Lab → · Contrast checker → · Palette generator →