#33278E#33278E

#33278E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.1% C 0.161 H 279.8°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#33278E
RGB	rgb(51, 39, 142)
HSL	hsl(247, 57%, 35%)
HSV	hsv(247, 73%, 56%)
CMYK	cmyk(64.1%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(24.02, 36.79, -55.09)
CIE-LCH	lch(24.02, 66.25, 303.73°)
OKLab	oklab(36.09% 0.0276 -0.1589)
OKLCH	oklch(36.09% 0.161 279.8)
XYZ	xyz(6.9717, 4.1073, 26.0113)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33278E #828E27

analogous

#274F8E #33278E #66278E

triadic

#33278E #8E3327 #278E33

tetradic

#33278E #8E274F #828E27 #278E66

square

#33278E #8E274F #828E27 #278E66

split-complementary

#33278E #8E6627 #4F8E27

monochromatic

#110D2E #221A5E #33278E #4434BE #6B5DD2

Accessibility & contrast

On white

11.53

#33278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#33278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33278E

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33278E	#FFFFFF	#000000	##FFFFFF
##33278E	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #33278e;
/* rgb */ color: rgb(51, 39, 142);
/* oklch */ color: oklch(36.1% 0.161 279.8);

Tailwind

colors: {
  custom: {
    50: '#7763b0',
    500: '#33278e',
    950: '#000000',
  },
}

SCSS

$custom: #33278e;
$custom-light: #7763b0;
$custom-dark: #000000;

JSON

{
  "hex": "#33278e",
  "rgb": {
    "r": 51,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 246.99,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36086,
    "c": 0.16129,
    "h": 279.8
  },
  "luminance": 0.04108
}

Semantic roles & 50–950 ramp

primary

#33278E

secondary

#ADB859

accent

#E048CE

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #33278E

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

Preview Lab → · Contrast checker → · Palette generator →