#304A85#304A85

#304A85 is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.0% C 0.103 H 264.5°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#304A85
RGB	rgb(48, 74, 133)
HSL	hsl(222, 47%, 35%)
HSV	hsv(222, 64%, 52%)
CMYK	cmyk(63.9%, 44.4%, 0%, 47.8%)
CIE-LAB	lab(32.30, 10.02, -36.12)
CIE-LCH	lch(32.30, 37.48, 285.50°)
OKLab	oklab(41.98% -0.01 -0.1029)
OKLCH	oklch(41.98% 0.103 264.5)
XYZ	xyz(7.8999, 7.2187, 23.1628)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304A85 #856B30

analogous

#307485 #304A85 #403085

triadic

#304A85 #85304A #4A8530

tetradic

#304A85 #853074 #856B30 #308540

square

#304A85 #853074 #856B30 #308540

split-complementary

#304A85 #854030 #748530

monochromatic

#10182B #203158 #304A85 #4063B2 #6785C8

Accessibility & contrast

On white

8.59

#304A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#304A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304A85

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304A85	#FFFFFF	#000000	##FFFFFF
##304A85	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5087

Deuteranopia (green-blind)

#224884

Tritanopia (blue-blind)

#005761

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #304a85;
/* rgb */ color: rgb(48, 74, 133);
/* oklch */ color: oklch(42.0% 0.103 264.5);

Tailwind

colors: {
  custom: {
    50: '#717ca9',
    500: '#304a85',
    950: '#000000',
  },
}

SCSS

$custom: #304a85;
$custom-light: #717ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#304a85",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 133
  },
  "hsl": {
    "h": 221.647,
    "s": 46.961,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41976,
    "c": 0.10342,
    "h": 264.5
  },
  "luminance": 0.07219
}

Semantic roles & 50–950 ramp

primary

#304A85

secondary

#AF9861

accent

#AE51D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #304A85

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

Preview Lab → · Contrast checker → · Palette generator →