#31376F#31376F

#31376F is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.2% C 0.096 H 275.9°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#31376F
RGB	rgb(49, 55, 111)
HSL	hsl(234, 39%, 31%)
HSV	hsv(234, 56%, 44%)
CMYK	cmyk(55.9%, 50.5%, 0%, 56.5%)
CIE-LAB	lab(25.36, 15.13, -33.39)
CIE-LCH	lch(25.36, 36.66, 294.38°)
OKLab	oklab(36.24% 0.0099 -0.0951)
OKLCH	oklch(36.24% 0.096 275.9)
XYZ	xyz(5.5011, 4.5327, 15.6209)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31376F #6F6931

analogous

#31566F #31376F #4A316F

triadic

#31376F #6F3137 #376F31

tetradic

#31376F #6F3156 #6F6931 #316F4A

square

#31376F #6F3156 #6F6931 #316F4A

split-complementary

#31376F #6F4A31 #566F31

monochromatic

#0C0D1A #1E2245 #31376F #444C99 #616AB9

Accessibility & contrast

On white

11.01

#31376F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#31376F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31376F

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31376F	#FFFFFF	#000000	##FFFFFF
##31376F	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3F71

Deuteranopia (green-blind)

#163A6E

Tritanopia (blue-blind)

#14434D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31376f;
/* rgb */ color: rgb(49, 55, 111);
/* oklch */ color: oklch(36.2% 0.096 275.9);

Tailwind

colors: {
  custom: {
    50: '#6e6d99',
    500: '#31376f',
    950: '#000000',
  },
}

SCSS

$custom: #31376f;
$custom-light: #6e6d99;
$custom-dark: #000000;

JSON

{
  "hex": "#31376f",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 111
  },
  "hsl": {
    "h": 234.194,
    "s": 38.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36235,
    "c": 0.09565,
    "h": 275.9
  },
  "luminance": 0.04533
}

Semantic roles & 50–950 ramp

primary

#31376F

secondary

#A0995C

accent

#C359CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #31376F

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

Preview Lab → · Contrast checker → · Palette generator →