#31365B#31365B

#31365B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.7% C 0.065 H 276.6°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#31365B
RGB	rgb(49, 54, 91)
HSL	hsl(233, 30%, 27%)
HSV	hsv(233, 46%, 36%)
CMYK	cmyk(46.2%, 40.7%, 0%, 64.3%)
CIE-LAB	lab(23.82, 8.87, -22.88)
CIE-LCH	lch(23.82, 24.54, 291.19°)
OKLab	oklab(34.66% 0.0075 -0.0644)
OKLCH	oklch(34.66% 0.065 276.6)
XYZ	xyz(4.4735, 4.0464, 10.4408)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31365B #5B5631

analogous

#314B5B #31365B #41315B

triadic

#31365B #5B3136 #365B31

tetradic

#31365B #5B314B #5B5631 #315B41

square

#31365B #5B314B #5B5631 #315B41

split-complementary

#31365B #5B4131 #4B5B31

monochromatic

#0B0C14 #1C1E33 #31365B #464E83 #5E67A8

Accessibility & contrast

On white

11.61

#31365B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#31365B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31365B

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31365B	#FFFFFF	#000000	##FFFFFF
##31365B	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293A5C

Deuteranopia (green-blind)

#26375A

Tritanopia (blue-blind)

#233D44

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31365b;
/* rgb */ color: rgb(49, 54, 91);
/* oklch */ color: oklch(34.7% 0.065 276.6);

Tailwind

colors: {
  custom: {
    50: '#6b6c89',
    500: '#31365b',
    950: '#000000',
  },
}

SCSS

$custom: #31365b;
$custom-light: #6b6c89;
$custom-dark: #000000;

JSON

{
  "hex": "#31365b",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 91
  },
  "hsl": {
    "h": 232.857,
    "s": 30,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34662,
    "c": 0.06481,
    "h": 276.6
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#31365B

secondary

#8C865C

accent

#BA62C6

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07070B

muted

#7A7A7C

Preview Lab

Preview with #31365B

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

Preview Lab → · Contrast checker → · Palette generator →