#31389E#31389E

#31389E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.3% C 0.163 H 273.5°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#31389E
RGB	rgb(49, 56, 158)
HSL	hsl(236, 53%, 41%)
HSV	hsv(236, 69%, 62%)
CMYK	cmyk(69%, 64.6%, 0%, 38%)
CIE-LAB	lab(29.28, 31.44, -56.30)
CIE-LCH	lch(29.28, 64.48, 299.18°)
OKLab	oklab(40.31% 0.0099 -0.1625)
OKLCH	oklch(40.31% 0.163 273.5)
XYZ	xyz(8.8503, 5.9491, 33.0230)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31389E #9E9731

analogous

#316E9E #31389E #60319E

triadic

#31389E #9E3138 #389E31

tetradic

#31389E #9E316E #9E9731 #319E60

square

#31389E #9E316E #9E9731 #319E60

split-complementary

#31389E #9E6031 #6E9E31

monochromatic

#141741 #23276F #31389E #464FC6 #757BD4

Accessibility & contrast

On white

9.59

#31389E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#31389E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31389E

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31389E	#FFFFFF	#000000	##FFFFFF
##31389E	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #31389e;
/* rgb */ color: rgb(49, 56, 158);
/* oklch */ color: oklch(40.3% 0.163 273.5);

Tailwind

colors: {
  custom: {
    50: '#786ebc',
    500: '#31389e',
    950: '#000000',
  },
}

SCSS

$custom: #31389e;
$custom-light: #786ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#31389e",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 158
  },
  "hsl": {
    "h": 236.147,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40309,
    "c": 0.16277,
    "h": 273.5
  },
  "luminance": 0.0595
}

Semantic roles & 50–950 ramp

primary

#31389E

secondary

#BCB76E

accent

#D34CDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31389E

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

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