#31406D#31406D

#31406D is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.1% C 0.079 H 268.5°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#31406D
RGB	rgb(49, 64, 109)
HSL	hsl(225, 38%, 31%)
HSV	hsv(225, 55%, 43%)
CMYK	cmyk(55%, 41.3%, 0%, 57.3%)
CIE-LAB	lab(27.91, 8.26, -28.05)
CIE-LCH	lch(27.91, 29.24, 286.40°)
OKLab	oklab(38.14% -0.002 -0.0794)
OKLCH	oklch(38.14% 0.079 268.5)
XYZ	xyz(5.8594, 5.4235, 15.2031)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31406D #6D5E31

analogous

#315E6D #31406D #40316D

triadic

#31406D #6D3140 #406D31

tetradic

#31406D #6D315E #6D5E31 #316D40

square

#31406D #6D315E #6D5E31 #316D40

split-complementary

#31406D #6D4031 #5E6D31

monochromatic

#0B0E19 #1E2743 #31406D #445997 #6176B8

Accessibility & contrast

On white

10.07

#31406D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#31406D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31406D

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31406D	#FFFFFF	#000000	##FFFFFF
##31406D	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E456F

Deuteranopia (green-blind)

#273F6C

Tritanopia (blue-blind)

#154A51

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #31406d;
/* rgb */ color: rgb(49, 64, 109);
/* oklch */ color: oklch(38.1% 0.079 268.5);

Tailwind

colors: {
  custom: {
    50: '#6e7497',
    500: '#31406d',
    950: '#000000',
  },
}

SCSS

$custom: #31406d;
$custom-light: #6e7497;
$custom-dark: #000000;

JSON

{
  "hex": "#31406d",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 109
  },
  "hsl": {
    "h": 225,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38143,
    "c": 0.07944,
    "h": 268.5
  },
  "luminance": 0.05424
}

Semantic roles & 50–950 ramp

primary

#31406D

secondary

#9E8D5C

accent

#B15ACE

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #31406D

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

Preview Lab → · Contrast checker → · Palette generator →