#31329B#31329B

#31329B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.166 H 275.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#31329B
RGB	rgb(49, 50, 155)
HSL	hsl(239, 52%, 40%)
HSV	hsv(239, 68%, 61%)
CMYK	cmyk(68.4%, 67.7%, 0%, 39.2%)
CIE-LAB	lab(27.57, 34.21, -57.27)
CIE-LCH	lch(27.57, 66.71, 300.85°)
OKLab	oklab(38.98% 0.0147 -0.1653)
OKLCH	oklch(38.98% 0.166 275.1)
XYZ	xyz(8.3217, 5.3000, 31.5884)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31329B #9B9A31

analogous

#31679B #31329B #65319B

triadic

#31329B #9B3132 #329B31

tetradic

#31329B #9B3167 #9B9A31 #319B65

square

#31329B #9B3167 #9B9A31 #319B65

split-complementary

#31329B #9B6531 #679B31

monochromatic

#14143E #22236D #31329B #4546C4 #7374D3

Accessibility & contrast

On white

10.19

#31329B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#31329B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31329B

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31329B	#FFFFFF	#000000	##FFFFFF
##31329B	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#003C99

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #31329b;
/* rgb */ color: rgb(49, 50, 155);
/* oklch */ color: oklch(39.0% 0.166 275.1);

Tailwind

colors: {
  custom: {
    50: '#786ab9',
    500: '#31329b',
    950: '#000000',
  },
}

SCSS

$custom: #31329b;
$custom-light: #786ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#31329b",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 155
  },
  "hsl": {
    "h": 239.434,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.38979,
    "c": 0.166,
    "h": 275.1
  },
  "luminance": 0.05301
}

Semantic roles & 50–950 ramp

primary

#31329B

secondary

#BBBA6D

accent

#DA4CDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #31329B

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

Preview Lab → · Contrast checker → · Palette generator →