#31366E#31366E

#31366E is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.9% C 0.096 H 276.6°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#31366E
RGB	rgb(49, 54, 110)
HSL	hsl(235, 38%, 31%)
HSV	hsv(235, 55%, 43%)
CMYK	cmyk(55.5%, 50.9%, 0%, 56.9%)
CIE-LAB	lab(25.00, 15.47, -33.32)
CIE-LCH	lch(25.00, 36.73, 294.90°)
OKLab	oklab(35.94% 0.011 -0.0949)
OKLCH	oklch(35.94% 0.096 276.6)
XYZ	xyz(5.3994, 4.4167, 15.3168)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31366E #6E6931

analogous

#31546E #31366E #4A316E

triadic

#31366E #6E3136 #366E31

tetradic

#31366E #6E3154 #6E6931 #316E4A

square

#31366E #6E3154 #6E6931 #316E4A

split-complementary

#31366E #6E4A31 #546E31

monochromatic

#0B0C19 #1E2144 #31366E #444B98 #6168B9

Accessibility & contrast

On white

11.15

#31366E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#31366E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31366E

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31366E	#FFFFFF	#000000	##FFFFFF
##31366E	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3E70

Deuteranopia (green-blind)

#15396D

Tritanopia (blue-blind)

#16424C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31366e;
/* rgb */ color: rgb(49, 54, 110);
/* oklch */ color: oklch(35.9% 0.096 276.6);

Tailwind

colors: {
  custom: {
    50: '#6e6c98',
    500: '#31366e',
    950: '#000000',
  },
}

SCSS

$custom: #31366e;
$custom-light: #6e6c98;
$custom-dark: #000000;

JSON

{
  "hex": "#31366e",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 110
  },
  "hsl": {
    "h": 235.082,
    "s": 38.365,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35944,
    "c": 0.09558,
    "h": 276.6
  },
  "luminance": 0.04417
}

Semantic roles & 50–950 ramp

primary

#31366E

secondary

#9F9A5C

accent

#C559CE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31366E

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

Preview Lab → · Contrast checker → · Palette generator →