#31396D#31396D

#31396D is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.090 H 274.5°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#31396D
RGB	rgb(49, 57, 109)
HSL	hsl(232, 38%, 31%)
HSV	hsv(232, 55%, 43%)
CMYK	cmyk(55%, 47.7%, 0%, 57.3%)
CIE-LAB	lab(25.81, 13.04, -31.39)
CIE-LCH	lch(25.81, 33.99, 292.57°)
OKLab	oklab(36.54% 0.0071 -0.0892)
OKLCH	oklch(36.54% 0.09 274.5)
XYZ	xyz(5.4892, 4.6830, 15.0797)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31396D #6D6531

analogous

#31576D #31396D #47316D

triadic

#31396D #6D3139 #396D31

tetradic

#31396D #6D3157 #6D6531 #316D47

square

#31396D #6D3157 #6D6531 #316D47

split-complementary

#31396D #6D4731 #576D31

monochromatic

#0B0D19 #1E2343 #31396D #444F97 #616CB8

Accessibility & contrast

On white

10.84

#31396D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#31396D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31396D

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31396D	#FFFFFF	#000000	##FFFFFF
##31396D	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23406F

Deuteranopia (green-blind)

#1C3B6C

Tritanopia (blue-blind)

#16444D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #31396d;
/* rgb */ color: rgb(49, 57, 109);
/* oklch */ color: oklch(36.5% 0.090 274.5);

Tailwind

colors: {
  custom: {
    50: '#6e6f97',
    500: '#31396d',
    950: '#000000',
  },
}

SCSS

$custom: #31396d;
$custom-light: #6e6f97;
$custom-dark: #000000;

JSON

{
  "hex": "#31396d",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 109
  },
  "hsl": {
    "h": 232,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36536,
    "c": 0.08952,
    "h": 274.5
  },
  "luminance": 0.04683
}

Semantic roles & 50–950 ramp

primary

#31396D

secondary

#9E955C

accent

#BE5ACE

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31396D

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

Preview Lab → · Contrast checker → · Palette generator →