#303287#303287

#303287 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.139 H 276.2°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#303287
RGB	rgb(48, 50, 135)
HSL	hsl(239, 48%, 36%)
HSV	hsv(239, 64%, 53%)
CMYK	cmyk(64.4%, 63%, 0%, 47.1%)
CIE-LAB	lab(25.74, 26.96, -47.94)
CIE-LCH	lch(25.74, 55.00, 299.35°)
OKLab	oklab(37.07% 0.0151 -0.138)
OKLCH	oklch(37.07% 0.139 276.2)
XYZ	xyz(6.7313, 4.6583, 23.4614)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303287 #878530

analogous

#305D87 #303287 #593087

triadic

#303287 #873032 #328730

tetradic

#303287 #87305D #878530 #308759

square

#303287 #87305D #878530 #308759

split-complementary

#303287 #875930 #5D8730

monochromatic

#10112D #20215A #303287 #4043B4 #686AC9

Accessibility & contrast

On white

10.87

#303287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#303287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303287

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303287	#FFFFFF	#000000	##FFFFFF
##303287	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #303287;
/* rgb */ color: rgb(48, 50, 135);
/* oklch */ color: oklch(37.1% 0.139 276.2);

Tailwind

colors: {
  custom: {
    50: '#736aab',
    500: '#303287',
    950: '#000000',
  },
}

SCSS

$custom: #303287;
$custom-light: #736aab;
$custom-dark: #000000;

JSON

{
  "hex": "#303287",
  "rgb": {
    "r": 48,
    "g": 50,
    "b": 135
  },
  "hsl": {
    "h": 238.621,
    "s": 47.541,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37074,
    "c": 0.13882,
    "h": 276.2
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#303287

secondary

#B1AF62

accent

#D451D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #303287

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

Preview Lab → · Contrast checker → · Palette generator →