#31346B#31346B

#31346B is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.094 H 278.1°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#31346B
RGB	rgb(49, 52, 107)
HSL	hsl(237, 37%, 31%)
HSV	hsv(237, 54%, 42%)
CMYK	cmyk(54.2%, 51.4%, 0%, 58%)
CIE-LAB	lab(24.23, 15.78, -32.64)
CIE-LCH	lch(24.23, 36.25, 295.81°)
OKLab	oklab(35.29% 0.0132 -0.093)
OKLCH	oklch(35.29% 0.094 278.1)
XYZ	xyz(5.1476, 4.1702, 14.4407)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31346B #6B6831

analogous

#31516B #31346B #4B316B

triadic

#31346B #6B3134 #346B31

tetradic

#31346B #6B3151 #6B6831 #316B4B

square

#31346B #6B3151 #6B6831 #316B4B

split-complementary

#31346B #6B4B31 #516B31

monochromatic

#0B0B17 #1E2041 #31346B #444895 #6065B6

Accessibility & contrast

On white

11.45

#31346B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31346B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31346B

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31346B	#FFFFFF	#000000	##FFFFFF
##31346B	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3C6D

Deuteranopia (green-blind)

#15376A

Tritanopia (blue-blind)

#19404A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31346b;
/* rgb */ color: rgb(49, 52, 107);
/* oklch */ color: oklch(35.3% 0.094 278.1);

Tailwind

colors: {
  custom: {
    50: '#6e6b96',
    500: '#31346b',
    950: '#000000',
  },
}

SCSS

$custom: #31346b;
$custom-light: #6e6b96;
$custom-dark: #000000;

JSON

{
  "hex": "#31346b",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 107
  },
  "hsl": {
    "h": 236.897,
    "s": 37.179,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35291,
    "c": 0.09389,
    "h": 278.1
  },
  "luminance": 0.0417
}

Semantic roles & 50–950 ramp

primary

#31346B

secondary

#9C995C

accent

#C75BCD

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #31346B

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

Preview Lab → · Contrast checker → · Palette generator →