#31345F#31345F

#31345F is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.075 H 278.7°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#31345F
RGB	rgb(49, 52, 95)
HSL	hsl(236, 32%, 28%)
HSV	hsv(236, 48%, 37%)
CMYK	cmyk(48.4%, 45.3%, 0%, 62.7%)
CIE-LAB	lab(23.45, 11.61, -26.08)
CIE-LCH	lch(23.45, 28.55, 294.00°)
OKLab	oklab(34.46% 0.0113 -0.0737)
OKLCH	oklch(34.46% 0.075 278.7)
XYZ	xyz(4.5595, 3.9349, 11.3435)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31345F #5F5C31

analogous

#314B5F #31345F #45315F

triadic

#31345F #5F3134 #345F31

tetradic

#31345F #5F314B #5F5C31 #315F45

square

#31345F #5F314B #5F5C31 #315F45

split-complementary

#31345F #5F4531 #4B5F31

monochromatic

#0A0B14 #1C1E37 #31345F #464A87 #5E63AC

Accessibility & contrast

On white

11.75

#31345F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#31345F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31345F

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31345F	#FFFFFF	#000000	##FFFFFF
##31345F	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243A61

Deuteranopia (green-blind)

#20365E

Tritanopia (blue-blind)

#213D45

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #31345f;
/* rgb */ color: rgb(49, 52, 95);
/* oklch */ color: oklch(34.5% 0.075 278.7);

Tailwind

colors: {
  custom: {
    50: '#6c6b8c',
    500: '#31345f',
    950: '#000000',
  },
}

SCSS

$custom: #31345f;
$custom-light: #6c6b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#31345f",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 95
  },
  "hsl": {
    "h": 236.087,
    "s": 31.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34456,
    "c": 0.0746,
    "h": 278.7
  },
  "luminance": 0.03935
}

Semantic roles & 50–950 ramp

primary

#31345F

secondary

#908D5C

accent

#C160C8

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060C

muted

#7A7A7D

Preview Lab

Preview with #31345F

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

Preview Lab → · Contrast checker → · Palette generator →