#304087#304087

#304087 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.9% C 0.120 H 270.6°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#304087
RGB	rgb(48, 64, 135)
HSL	hsl(229, 48%, 36%)
HSV	hsv(229, 64%, 53%)
CMYK	cmyk(64.4%, 52.6%, 0%, 47.1%)
CIE-LAB	lab(29.52, 17.51, -41.81)
CIE-LCH	lch(29.52, 45.33, 292.73°)
OKLab	oklab(39.9% 0.0012 -0.1198)
OKLCH	oklch(39.9% 0.12 270.6)
XYZ	xyz(7.4240, 6.0438, 23.6923)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304087 #877730

analogous

#306B87 #304087 #4B3087

triadic

#304087 #873040 #408730

tetradic

#304087 #87306B #877730 #30874B

square

#304087 #87306B #877730 #30874B

split-complementary

#304087 #874B30 #6B8730

monochromatic

#10152D #202B5A #304087 #4055B4 #687AC9

Accessibility & contrast

On white

9.51

#304087 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#304087 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304087

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304087	#FFFFFF	#000000	##FFFFFF
##304087	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174A8A

Deuteranopia (green-blind)

#004286

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #304087;
/* rgb */ color: rgb(48, 64, 135);
/* oklch */ color: oklch(39.9% 0.120 270.6);

Tailwind

colors: {
  custom: {
    50: '#7274aa',
    500: '#304087',
    950: '#000000',
  },
}

SCSS

$custom: #304087;
$custom-light: #7274aa;
$custom-dark: #000000;

JSON

{
  "hex": "#304087",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 135
  },
  "hsl": {
    "h": 228.966,
    "s": 47.541,
    "l": 35.882
  },
  "oklch": {
    "l": 0.399,
    "c": 0.11982,
    "h": 270.6
  },
  "luminance": 0.06044
}

Semantic roles & 50–950 ramp

primary

#304087

secondary

#B1A262

accent

#BE51D7

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #304087

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

Preview Lab → · Contrast checker → · Palette generator →