#331E9E#331E9E

#331E9E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.6% C 0.190 H 278.8°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#331E9E
RGB	rgb(51, 30, 158)
HSL	hsl(250, 68%, 37%)
HSV	hsv(250, 81%, 62%)
CMYK	cmyk(67.7%, 81%, 0%, 38%)
CIE-LAB	lab(24.00, 46.70, -64.98)
CIE-LCH	lch(24.00, 80.02, 305.70°)
OKLab	oklab(36.57% 0.0292 -0.1877)
OKLCH	oklch(36.57% 0.19 278.8)
XYZ	xyz(7.9991, 4.1003, 32.7110)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E9E #899E1E

analogous

#1E499E #331E9E #731E9E

triadic

#331E9E #9E331E #1E9E33

tetradic

#331E9E #9E1E49 #899E1E #1E9E73

square

#331E9E #9E1E49 #899E1E #1E9E73

split-complementary

#331E9E #9E731E #499E1E

monochromatic

#120A37 #22146B #331E9E #4428D1 #6E57DF

Accessibility & contrast

On white

11.54

#331E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#331E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E9E

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E9E	#FFFFFF	#000000	##FFFFFF
##331E9E	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA2

Deuteranopia (green-blind)

#00349C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #331e9e;
/* rgb */ color: rgb(51, 30, 158);
/* oklch */ color: oklch(36.6% 0.190 278.8);

Tailwind

colors: {
  custom: {
    50: '#7b5ebc',
    500: '#331e9e',
    950: '#000000',
  },
}

SCSS

$custom: #331e9e;
$custom-light: #7b5ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#331e9e",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 158
  },
  "hsl": {
    "h": 249.844,
    "s": 68.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36572,
    "c": 0.18994,
    "h": 278.8
  },
  "luminance": 0.04101
}

Semantic roles & 50–950 ramp

primary

#331E9E

secondary

#B1C355

accent

#EB3DCE

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #331E9E

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

Preview Lab → · Contrast checker → · Palette generator →