#31336E#31336E

#31336E is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.3% C 0.100 H 278.5°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#31336E
RGB	rgb(49, 51, 110)
HSL	hsl(238, 38%, 31%)
HSV	hsv(238, 55%, 43%)
CMYK	cmyk(55.5%, 53.6%, 0%, 56.9%)
CIE-LAB	lab(24.15, 17.53, -34.69)
CIE-LCH	lch(24.15, 38.87, 296.81°)
OKLab	oklab(35.3% 0.0148 -0.099)
OKLCH	oklch(35.3% 0.1 278.5)
XYZ	xyz(5.2640, 4.1461, 15.2717)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31336E #6E6C31

analogous

#31516E #31336E #4D316E

triadic

#31336E #6E3133 #336E31

tetradic

#31336E #6E3151 #6E6C31 #316E4D

square

#31336E #6E3151 #6E6C31 #316E4D

split-complementary

#31336E #6E4D31 #516E31

monochromatic

#0B0C19 #1E1F44 #31336E #444798 #6164B9

Accessibility & contrast

On white

11.48

#31336E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31336E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31336E

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31336E	#FFFFFF	#000000	##FFFFFF
##31336E	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153C70

Deuteranopia (green-blind)

#0E376D

Tritanopia (blue-blind)

#16404B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31336e;
/* rgb */ color: rgb(49, 51, 110);
/* oklch */ color: oklch(35.3% 0.100 278.5);

Tailwind

colors: {
  custom: {
    50: '#6e6a98',
    500: '#31336e',
    950: '#000000',
  },
}

SCSS

$custom: #31336e;
$custom-light: #6e6a98;
$custom-dark: #000000;

JSON

{
  "hex": "#31336e",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 110
  },
  "hsl": {
    "h": 238.033,
    "s": 38.365,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35299,
    "c": 0.1001,
    "h": 278.5
  },
  "luminance": 0.04146
}

Semantic roles & 50–950 ramp

primary

#31336E

secondary

#9F9D5C

accent

#CA59CE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #31336E

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

Preview Lab → · Contrast checker → · Palette generator →