#31349D#31349D

#31349D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.166 H 274.5°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#31349D
RGB	rgb(49, 52, 157)
HSL	hsl(238, 52%, 40%)
HSV	hsv(238, 69%, 62%)
CMYK	cmyk(68.8%, 66.9%, 0%, 38.4%)
CIE-LAB	lab(28.23, 33.64, -57.42)
CIE-LCH	lch(28.23, 66.55, 300.37°)
OKLab	oklab(39.51% 0.013 -0.1658)
OKLCH	oklch(39.51% 0.166 274.5)
XYZ	xyz(8.5784, 5.5425, 32.5095)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31349D #9D9A31

analogous

#316A9D #31349D #64319D

triadic

#31349D #9D3134 #349D31

tetradic

#31349D #9D316A #9D9A31 #319D64

square

#31349D #9D316A #9D9A31 #319D64

split-complementary

#31349D #9D6431 #6A9D31

monochromatic

#141540 #22256E #31349D #4649C5 #7577D4

Accessibility & contrast

On white

9.96

#31349D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#31349D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31349D

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31349D	#FFFFFF	#000000	##FFFFFF
##31349D	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A0

Deuteranopia (green-blind)

#003E9B

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #31349d;
/* rgb */ color: rgb(49, 52, 157);
/* oklch */ color: oklch(39.5% 0.166 274.5);

Tailwind

colors: {
  custom: {
    50: '#786cbb',
    500: '#31349d',
    950: '#000000',
  },
}

SCSS

$custom: #31349d;
$custom-light: #786cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#31349d",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 157
  },
  "hsl": {
    "h": 238.333,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.3951,
    "c": 0.16628,
    "h": 274.5
  },
  "luminance": 0.05543
}

Semantic roles & 50–950 ramp

primary

#31349D

secondary

#BCBA6E

accent

#D84CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31349D

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

Preview Lab → · Contrast checker → · Palette generator →