#31386C#31386C

#31386C is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.089 H 275.2°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#31386C
RGB	rgb(49, 56, 108)
HSL	hsl(233, 38%, 31%)
HSV	hsv(233, 55%, 42%)
CMYK	cmyk(54.6%, 48.1%, 0%, 57.6%)
CIE-LAB	lab(25.45, 13.38, -31.32)
CIE-LCH	lch(25.45, 34.06, 293.13°)
OKLab	oklab(36.24% 0.0082 -0.089)
OKLCH	oklch(36.24% 0.089 275.2)
XYZ	xyz(5.3867, 4.5637, 14.7815)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31386C #6C6531

analogous

#31556C #31386C #47316C

triadic

#31386C #6C3138 #386C31

tetradic

#31386C #6C3155 #6C6531 #316C47

square

#31386C #6C3155 #6C6531 #316C47

split-complementary

#31386C #6C4731 #556C31

monochromatic

#0B0C18 #1E2242 #31386C #444E96 #606BB7

Accessibility & contrast

On white

10.98

#31386C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#31386C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31386C

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31386C	#FFFFFF	#000000	##FFFFFF
##31386C	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213F6E

Deuteranopia (green-blind)

#1B3A6B

Tritanopia (blue-blind)

#17434C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31386c;
/* rgb */ color: rgb(49, 56, 108);
/* oklch */ color: oklch(36.2% 0.089 275.2);

Tailwind

colors: {
  custom: {
    50: '#6e6e96',
    500: '#31386c',
    950: '#000000',
  },
}

SCSS

$custom: #31386c;
$custom-light: #6e6e96;
$custom-dark: #000000;

JSON

{
  "hex": "#31386c",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 108
  },
  "hsl": {
    "h": 232.881,
    "s": 37.58,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36243,
    "c": 0.08941,
    "h": 275.2
  },
  "luminance": 0.04564
}

Semantic roles & 50–950 ramp

primary

#31386C

secondary

#9D955C

accent

#C05ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31386C

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

Preview Lab → · Contrast checker → · Palette generator →