#31386F#31386F

#31386F is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.5% C 0.094 H 275.3°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#31386F
RGB	rgb(49, 56, 111)
HSL	hsl(233, 39%, 31%)
HSV	hsv(233, 56%, 44%)
CMYK	cmyk(55.9%, 49.5%, 0%, 56.5%)
CIE-LAB	lab(25.65, 14.45, -32.93)
CIE-LCH	lch(25.65, 35.96, 293.69°)
OKLab	oklab(36.46% 0.0086 -0.0938)
OKLCH	oklch(36.46% 0.094 275.3)
XYZ	xyz(5.5491, 4.6286, 15.6369)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31386F #6F6831

analogous

#31576F #31386F #49316F

triadic

#31386F #6F3138 #386F31

tetradic

#31386F #6F3157 #6F6831 #316F49

square

#31386F #6F3157 #6F6831 #316F49

split-complementary

#31386F #6F4931 #576F31

monochromatic

#0C0D1A #1E2345 #31386F #444D99 #616BB9

Accessibility & contrast

On white

10.90

#31386F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#31386F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31386F

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31386F	#FFFFFF	#000000	##FFFFFF
##31386F	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3F71

Deuteranopia (green-blind)

#183A6E

Tritanopia (blue-blind)

#14444E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #31386f;
/* rgb */ color: rgb(49, 56, 111);
/* oklch */ color: oklch(36.5% 0.094 275.3);

Tailwind

colors: {
  custom: {
    50: '#6e6e99',
    500: '#31386f',
    950: '#000000',
  },
}

SCSS

$custom: #31386f;
$custom-light: #6e6e99;
$custom-dark: #000000;

JSON

{
  "hex": "#31386f",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 111
  },
  "hsl": {
    "h": 233.226,
    "s": 38.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36455,
    "c": 0.09417,
    "h": 275.3
  },
  "luminance": 0.04629
}

Semantic roles & 50–950 ramp

primary

#31386F

secondary

#A0985C

accent

#C159CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #31386F

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

Preview Lab → · Contrast checker → · Palette generator →