#31436D#31436D

#31436D is a dark, moderate blue. Relative luminance 0.058; OKLCH L 38.9% C 0.075 H 265.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#31436D
RGB	rgb(49, 67, 109)
HSL	hsl(222, 38%, 31%)
HSV	hsv(222, 55%, 43%)
CMYK	cmyk(55%, 38.5%, 0%, 57.3%)
CIE-LAB	lab(28.83, 6.23, -26.60)
CIE-LCH	lch(28.83, 27.32, 283.19°)
OKLab	oklab(38.85% -0.006 -0.0751)
OKLCH	oklch(38.85% 0.075 265.5)
XYZ	xyz(6.0332, 5.7710, 15.2610)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31436D #6D5B31

analogous

#31616D #31436D #3D316D

triadic

#31436D #6D3143 #436D31

tetradic

#31436D #6D3161 #6D5B31 #316D3D

square

#31436D #6D3161 #6D5B31 #316D3D

split-complementary

#31436D #6D3D31 #616D31

monochromatic

#0B0F19 #1E2943 #31436D #445D97 #617BB8

Accessibility & contrast

On white

9.75

#31436D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#31436D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31436D

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31436D	#FFFFFF	#000000	##FFFFFF
##31436D	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32476F

Deuteranopia (green-blind)

#2C416C

Tritanopia (blue-blind)

#144C52

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #31436d;
/* rgb */ color: rgb(49, 67, 109);
/* oklch */ color: oklch(38.9% 0.075 265.5);

Tailwind

colors: {
  custom: {
    50: '#6e7697',
    500: '#31436d',
    950: '#000000',
  },
}

SCSS

$custom: #31436d;
$custom-light: #6e7697;
$custom-dark: #000000;

JSON

{
  "hex": "#31436d",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 109
  },
  "hsl": {
    "h": 222,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38852,
    "c": 0.07539,
    "h": 265.5
  },
  "luminance": 0.05771
}

Semantic roles & 50–950 ramp

primary

#31436D

secondary

#9E8A5C

accent

#AB5ACE

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #31436D

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

Preview Lab → · Contrast checker → · Palette generator →