#33318D#33318D

#33318D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.148 H 277.6°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#33318D
RGB	rgb(51, 49, 141)
HSL	hsl(241, 48%, 37%)
HSV	hsv(241, 65%, 55%)
CMYK	cmyk(63.8%, 65.2%, 0%, 44.7%)
CIE-LAB	lab(26.22, 30.24, -50.87)
CIE-LCH	lch(26.22, 59.18, 300.73°)
OKLab	oklab(37.65% 0.0194 -0.1465)
OKLCH	oklch(37.65% 0.148 277.6)
XYZ	xyz(7.2697, 4.8229, 25.7420)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33318D #8B8D31

analogous

#315D8D #33318D #61318D

triadic

#33318D #8D3331 #318D33

tetradic

#33318D #8D315D #8B8D31 #318D61

square

#33318D #8D315D #8B8D31 #318D61

split-complementary

#33318D #8D6131 #5D8D31

monochromatic

#121132 #232160 #33318D #4341BA #6E6CCC

Accessibility & contrast

On white

10.69

#33318D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#33318D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33318D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33318D	#FFFFFF	#000000	##FFFFFF
##33318D	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #33318d;
/* rgb */ color: rgb(51, 49, 141);
/* oklch */ color: oklch(37.6% 0.148 277.6);

Tailwind

colors: {
  custom: {
    50: '#7669af',
    500: '#33318d',
    950: '#000000',
  },
}

SCSS

$custom: #33318d;
$custom-light: #7669af;
$custom-dark: #000000;

JSON

{
  "hex": "#33318d",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 141
  },
  "hsl": {
    "h": 241.304,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37648,
    "c": 0.1478,
    "h": 277.6
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#33318D

secondary

#B2B466

accent

#D850D5

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #33318D

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

Preview Lab → · Contrast checker → · Palette generator →