#31359A#31359A

#31359A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.161 H 274.5°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#31359A
RGB	rgb(49, 53, 154)
HSL	hsl(238, 52%, 40%)
HSV	hsv(238, 68%, 60%)
CMYK	cmyk(68.2%, 65.6%, 0%, 39.6%)
CIE-LAB	lab(28.20, 31.94, -55.64)
CIE-LCH	lch(28.20, 64.16, 299.86°)
OKLab	oklab(39.41% 0.0125 -0.1605)
OKLCH	oklch(39.41% 0.161 274.5)
XYZ	xyz(8.3705, 5.5315, 31.1922)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31359A #9A9631

analogous

#316A9A #31359A #61319A

triadic

#31359A #9A3135 #359A31

tetradic

#31359A #9A316A #9A9631 #319A61

square

#31359A #9A316A #9A9631 #319A61

split-complementary

#31359A #9A6131 #6A9A31

monochromatic

#13153D #22256C #31359A #4549C4 #7377D2

Accessibility & contrast

On white

9.97

#31359A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#31359A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31359A

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31359A	#FFFFFF	#000000	##FFFFFF
##31359A	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #31359a;
/* rgb */ color: rgb(49, 53, 154);
/* oklch */ color: oklch(39.4% 0.161 274.5);

Tailwind

colors: {
  custom: {
    50: '#776cb9',
    500: '#31359a',
    950: '#000000',
  },
}

SCSS

$custom: #31359a;
$custom-light: #776cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#31359a",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 154
  },
  "hsl": {
    "h": 237.714,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39406,
    "c": 0.16104,
    "h": 274.5
  },
  "luminance": 0.05532
}

Semantic roles & 50–950 ramp

primary

#31359A

secondary

#BAB76C

accent

#D64DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #31359A

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

Preview Lab → · Contrast checker → · Palette generator →