#31329C#31329C

#31329C is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.167 H 275.0°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#31329C
RGB	rgb(49, 50, 156)
HSL	hsl(239, 52%, 40%)
HSV	hsv(239, 69%, 61%)
CMYK	cmyk(68.6%, 67.9%, 0%, 38.8%)
CIE-LAB	lab(27.67, 34.56, -57.73)
CIE-LCH	lch(27.67, 67.28, 300.90°)
OKLab	oklab(39.07% 0.0146 -0.1667)
OKLCH	oklch(39.07% 0.167 275)
XYZ	xyz(8.4060, 5.3337, 32.0326)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31329C #9C9B31

analogous

#31689C #31329C #65319C

triadic

#31329C #9C3132 #329C31

tetradic

#31329C #9C3168 #9C9B31 #319C65

square

#31329C #9C3168 #9C9B31 #319C65

split-complementary

#31329C #9C6531 #689C31

monochromatic

#14143F #22236D #31329C #4547C5 #7475D3

Accessibility & contrast

On white

10.16

#31329C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#31329C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31329C

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31329C	#FFFFFF	#000000	##FFFFFF
##31329C	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469F

Deuteranopia (green-blind)

#003C9A

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #31329c;
/* rgb */ color: rgb(49, 50, 156);
/* oklch */ color: oklch(39.1% 0.167 275.0);

Tailwind

colors: {
  custom: {
    50: '#786aba',
    500: '#31329c',
    950: '#000000',
  },
}

SCSS

$custom: #31329c;
$custom-light: #786aba;
$custom-dark: #000000;

JSON

{
  "hex": "#31329c",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 156
  },
  "hsl": {
    "h": 239.439,
    "s": 52.195,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39074,
    "c": 0.16734,
    "h": 275
  },
  "luminance": 0.05334
}

Semantic roles & 50–950 ramp

primary

#31329C

secondary

#BBBB6D

accent

#DA4CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #31329C

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

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