#31366C#31366C

#31366C is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.8% C 0.092 H 276.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#31366C
RGB	rgb(49, 54, 108)
HSL	hsl(235, 38%, 31%)
HSV	hsv(235, 55%, 42%)
CMYK	cmyk(54.6%, 50%, 0%, 57.6%)
CIE-LAB	lab(24.87, 14.76, -32.25)
CIE-LCH	lch(24.87, 35.47, 294.59°)
OKLab	oklab(35.8% 0.0108 -0.0918)
OKLCH	oklch(35.8% 0.092 276.7)
XYZ	xyz(5.2917, 4.3737, 14.7498)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31366C #6C6731

analogous

#31536C #31366C #49316C

triadic

#31366C #6C3136 #366C31

tetradic

#31366C #6C3153 #6C6731 #316C49

square

#31366C #6C3153 #6C6731 #316C49

split-complementary

#31366C #6C4931 #536C31

monochromatic

#0B0C18 #1E2142 #31366C #444B96 #6068B7

Accessibility & contrast

On white

11.20

#31366C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#31366C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31366C

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31366C	#FFFFFF	#000000	##FFFFFF
##31366C	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3D6E

Deuteranopia (green-blind)

#17396B

Tritanopia (blue-blind)

#18424B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31366c;
/* rgb */ color: rgb(49, 54, 108);
/* oklch */ color: oklch(35.8% 0.092 276.7);

Tailwind

colors: {
  custom: {
    50: '#6e6c96',
    500: '#31366c',
    950: '#000000',
  },
}

SCSS

$custom: #31366c;
$custom-light: #6e6c96;
$custom-dark: #000000;

JSON

{
  "hex": "#31366c",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 108
  },
  "hsl": {
    "h": 234.915,
    "s": 37.58,
    "l": 30.784
  },
  "oklch": {
    "l": 0.358,
    "c": 0.09243,
    "h": 276.7
  },
  "luminance": 0.04374
}

Semantic roles & 50–950 ramp

primary

#31366C

secondary

#9D985C

accent

#C45ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31366C

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

Preview Lab → · Contrast checker → · Palette generator →