#31336F#31336F

#31336F is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.102 H 278.4°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#31336F
RGB	rgb(49, 51, 111)
HSL	hsl(238, 39%, 31%)
HSV	hsv(238, 56%, 44%)
CMYK	cmyk(55.9%, 54.1%, 0%, 56.5%)
CIE-LAB	lab(24.22, 17.89, -35.22)
CIE-LCH	lch(24.22, 39.50, 296.93°)
OKLab	oklab(35.38% 0.0149 -0.1006)
OKLCH	oklch(35.38% 0.102 278.4)
XYZ	xyz(5.3188, 4.1680, 15.5601)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31336F #6F6D31

analogous

#31526F #31336F #4E316F

triadic

#31336F #6F3133 #336F31

tetradic

#31336F #6F3152 #6F6D31 #316F4E

square

#31336F #6F3152 #6F6D31 #316F4E

split-complementary

#31336F #6F4E31 #526F31

monochromatic

#0C0C1A #1E1F45 #31336F #444799 #6164B9

Accessibility & contrast

On white

11.45

#31336F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31336F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31336F

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31336F	#FFFFFF	#000000	##FFFFFF
##31336F	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143C71

Deuteranopia (green-blind)

#0C376E

Tritanopia (blue-blind)

#15404C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31336f;
/* rgb */ color: rgb(49, 51, 111);
/* oklch */ color: oklch(35.4% 0.102 278.4);

Tailwind

colors: {
  custom: {
    50: '#6f6a99',
    500: '#31336f',
    950: '#000000',
  },
}

SCSS

$custom: #31336f;
$custom-light: #6f6a99;
$custom-dark: #000000;

JSON

{
  "hex": "#31336f",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 111
  },
  "hsl": {
    "h": 238.065,
    "s": 38.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35375,
    "c": 0.10165,
    "h": 278.4
  },
  "luminance": 0.04168
}

Semantic roles & 50–950 ramp

primary

#31336F

secondary

#A09E5C

accent

#CB59CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #31336F

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

Preview Lab → · Contrast checker → · Palette generator →