#31395F#31395F

#31395F is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.067 H 273.5°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#31395F
RGB	rgb(49, 57, 95)
HSL	hsl(230, 32%, 28%)
HSV	hsv(230, 48%, 37%)
CMYK	cmyk(48.4%, 40%, 0%, 62.7%)
CIE-LAB	lab(24.97, 8.16, -23.69)
CIE-LCH	lch(24.97, 25.06, 289.01°)
OKLab	oklab(35.62% 0.0041 -0.0667)
OKLCH	oklch(35.62% 0.067 273.5)
XYZ	xyz(4.7947, 4.4052, 11.4219)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31395F #5F5731

analogous

#31505F #31395F #40315F

triadic

#31395F #5F3139 #395F31

tetradic

#31395F #5F3150 #5F5731 #315F40

square

#31395F #5F3150 #5F5731 #315F40

split-complementary

#31395F #5F4031 #505F31

monochromatic

#0A0C14 #1C2137 #31395F #465187 #5E6CAC

Accessibility & contrast

On white

11.16

#31395F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#31395F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31395F

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31395F	#FFFFFF	#000000	##FFFFFF
##31395F	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3D61

Deuteranopia (green-blind)

#27395E

Tritanopia (blue-blind)

#214147

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31395f;
/* rgb */ color: rgb(49, 57, 95);
/* oklch */ color: oklch(35.6% 0.067 273.5);

Tailwind

colors: {
  custom: {
    50: '#6c6f8c',
    500: '#31395f',
    950: '#000000',
  },
}

SCSS

$custom: #31395f;
$custom-light: #6c6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#31395f",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 95
  },
  "hsl": {
    "h": 229.565,
    "s": 31.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35616,
    "c": 0.06686,
    "h": 273.5
  },
  "luminance": 0.04405
}

Semantic roles & 50–950 ramp

primary

#31395F

secondary

#90875C

accent

#B660C8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #31395F

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

Preview Lab → · Contrast checker → · Palette generator →