#31408D#31408D

#31408D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.128 H 271.2°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#31408D
RGB	rgb(49, 64, 141)
HSL	hsl(230, 48%, 37%)
HSV	hsv(230, 65%, 55%)
CMYK	cmyk(65.2%, 54.6%, 0%, 44.7%)
CIE-LAB	lab(30.02, 19.92, -44.71)
CIE-LCH	lch(30.02, 48.95, 294.01°)
OKLab	oklab(40.42% 0.0028 -0.1283)
OKLCH	oklch(40.42% 0.128 271.2)
XYZ	xyz(7.9061, 6.2422, 25.9824)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31408D #8D7E31

analogous

#316E8D #31408D #50318D

triadic

#31408D #8D3140 #408D31

tetradic

#31408D #8D316E #8D7E31 #318D50

square

#31408D #8D316E #8D7E31 #318D50

split-complementary

#31408D #8D5031 #6E8D31

monochromatic

#111732 #212B60 #31408D #4155BA #6C7CCC

Accessibility & contrast

On white

9.34

#31408D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#31408D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31408D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31408D	#FFFFFF	#000000	##FFFFFF
##31408D	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4B90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #31408d;
/* rgb */ color: rgb(49, 64, 141);
/* oklch */ color: oklch(40.4% 0.128 271.2);

Tailwind

colors: {
  custom: {
    50: '#7374af',
    500: '#31408d',
    950: '#000000',
  },
}

SCSS

$custom: #31408d;
$custom-light: #7374af;
$custom-dark: #000000;

JSON

{
  "hex": "#31408d",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 141
  },
  "hsl": {
    "h": 230.217,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40425,
    "c": 0.12837,
    "h": 271.2
  },
  "luminance": 0.06243
}

Semantic roles & 50–950 ramp

primary

#31408D

secondary

#B4A766

accent

#C250D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31408D

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

Preview Lab → · Contrast checker → · Palette generator →