#31389D#31389D

#31389D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.161 H 273.5°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#31389D
RGB	rgb(49, 56, 157)
HSL	hsl(236, 52%, 40%)
HSV	hsv(236, 69%, 62%)
CMYK	cmyk(68.8%, 64.3%, 0%, 38.4%)
CIE-LAB	lab(29.20, 31.08, -55.83)
CIE-LCH	lch(29.20, 63.90, 299.10°)
OKLab	oklab(40.22% 0.01 -0.1611)
OKLCH	oklch(40.22% 0.161 273.5)
XYZ	xyz(8.7646, 5.9148, 32.5715)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31389D #9D9631

analogous

#316E9D #31389D #60319D

triadic

#31389D #9D3138 #389D31

tetradic

#31389D #9D316E #9D9631 #319D60

square

#31389D #9D316E #9D9631 #319D60

split-complementary

#31389D #9D6031 #6E9D31

monochromatic

#141740 #22276E #31389D #464EC5 #757BD4

Accessibility & contrast

On white

9.62

#31389D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#31389D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31389D

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31389D	#FFFFFF	#000000	##FFFFFF
##31389D	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #31389d;
/* rgb */ color: rgb(49, 56, 157);
/* oklch */ color: oklch(40.2% 0.161 273.5);

Tailwind

colors: {
  custom: {
    50: '#776ebb',
    500: '#31389d',
    950: '#000000',
  },
}

SCSS

$custom: #31389d;
$custom-light: #776ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#31389d",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 157
  },
  "hsl": {
    "h": 236.111,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40218,
    "c": 0.16141,
    "h": 273.5
  },
  "luminance": 0.05916
}

Semantic roles & 50–950 ramp

primary

#31389D

secondary

#BCB76E

accent

#D34CDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31389D

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

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