#304677#304677

#304677 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.1% C 0.087 H 264.5°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#304677
RGB	rgb(48, 70, 119)
HSL	hsl(221, 43%, 33%)
HSV	hsv(221, 60%, 47%)
CMYK	cmyk(59.7%, 41.2%, 0%, 53.3%)
CIE-LAB	lab(30.25, 7.56, -30.66)
CIE-LCH	lch(30.25, 31.58, 283.85°)
OKLab	oklab(40.13% -0.0083 -0.087)
OKLCH	oklch(40.13% 0.087 264.5)
XYZ	xyz(6.7377, 6.3401, 18.3179)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304677 #776130

analogous

#306A77 #304677 #3D3077

triadic

#304677 #773046 #467730

tetradic

#304677 #77306A #776130 #30773D

square

#304677 #77306A #776130 #30773D

split-complementary

#304677 #773D30 #6A7730

monochromatic

#0D1320 #1E2C4B #304677 #4260A3 #627FC0

Accessibility & contrast

On white

9.26

#304677 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#304677 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304677

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304677	#FFFFFF	#000000	##FFFFFF
##304677	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314B79

Deuteranopia (green-blind)

#284476

Tritanopia (blue-blind)

#005158

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #304677;
/* rgb */ color: rgb(48, 70, 119);
/* oklch */ color: oklch(40.1% 0.087 264.5);

Tailwind

colors: {
  custom: {
    50: '#6f799e',
    500: '#304677',
    950: '#000000',
  },
}

SCSS

$custom: #304677;
$custom-light: #6f799e;
$custom-dark: #000000;

JSON

{
  "hex": "#304677",
  "rgb": {
    "r": 48,
    "g": 70,
    "b": 119
  },
  "hsl": {
    "h": 221.408,
    "s": 42.515,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40126,
    "c": 0.08739,
    "h": 264.5
  },
  "luminance": 0.06341
}

Semantic roles & 50–950 ramp

primary

#304677

secondary

#A7905C

accent

#AC55D2

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#08090E

muted

#7B7B7E

Preview Lab

Preview with #304677

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

Preview Lab → · Contrast checker → · Palette generator →