#31395C#31395C

#31395C is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.4% C 0.062 H 273.1°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#31395C
RGB	rgb(49, 57, 92)
HSL	hsl(229, 30%, 28%)
HSV	hsv(229, 47%, 36%)
CMYK	cmyk(46.7%, 38%, 0%, 63.9%)
CIE-LAB	lab(24.80, 7.14, -22.00)
CIE-LCH	lch(24.80, 23.13, 287.99°)
OKLab	oklab(35.43% 0.0033 -0.0618)
OKLCH	oklch(35.43% 0.062 273.1)
XYZ	xyz(4.6609, 4.3517, 10.7175)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31395C #5C5431

analogous

#314E5C #31395C #3E315C

triadic

#31395C #5C3139 #395C31

tetradic

#31395C #5C314E #5C5431 #315C3E

square

#31395C #5C314E #5C5431 #315C3E

split-complementary

#31395C #5C3E31 #4E5C31

monochromatic

#0B0C14 #1C2034 #31395C #465284 #5E6CA9

Accessibility & contrast

On white

11.23

#31395C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#31395C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31395C

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31395C	#FFFFFF	#000000	##FFFFFF
##31395C	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5D

Deuteranopia (green-blind)

#29395B

Tritanopia (blue-blind)

#224046

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31395c;
/* rgb */ color: rgb(49, 57, 92);
/* oklch */ color: oklch(35.4% 0.062 273.1);

Tailwind

colors: {
  custom: {
    50: '#6b6f8a',
    500: '#31395c',
    950: '#000000',
  },
}

SCSS

$custom: #31395c;
$custom-light: #6b6f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#31395c",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 92
  },
  "hsl": {
    "h": 228.837,
    "s": 30.496,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35433,
    "c": 0.06189,
    "h": 273.1
  },
  "luminance": 0.04352
}

Semantic roles & 50–950 ramp

primary

#31395C

secondary

#8D845C

accent

#B461C7

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07070B

muted

#7A7A7C

Preview Lab

Preview with #31395C

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

Preview Lab → · Contrast checker → · Palette generator →