#31277C#31277C

#31277C is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.138 H 281.6°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#31277C
RGB	rgb(49, 39, 124)
HSL	hsl(247, 52%, 32%)
HSV	hsv(247, 69%, 49%)
CMYK	cmyk(60.5%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(22.16, 30.43, -46.86)
CIE-LCH	lch(22.16, 55.87, 303.00°)
OKLab	oklab(34.18% 0.0277 -0.1349)
OKLCH	oklch(34.18% 0.138 281.6)
XYZ	xyz(5.6291, 3.5589, 19.4552)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31277C #727C27

analogous

#27487C #31277C #5C277C

triadic

#31277C #7C3127 #277C31

tetradic

#31277C #7C2748 #727C27 #277C5C

square

#31277C #7C2748 #727C27 #277C5C

split-complementary

#31277C #7C5C27 #487C27

monochromatic

#0C0A1F #1F184D #31277C #4336AB #6254C9

Accessibility & contrast

On white

12.27

#31277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#31277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31277C

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31277C	#FFFFFF	#000000	##FFFFFF
##31277C	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#00327A

Tritanopia (blue-blind)

#033D4E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31277c;
/* rgb */ color: rgb(49, 39, 124);
/* oklch */ color: oklch(34.2% 0.138 281.6);

Tailwind

colors: {
  custom: {
    50: '#7262a3',
    500: '#31277c',
    950: '#000000',
  },
}

SCSS

$custom: #31277c;
$custom-light: #7262a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31277c",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 247.059,
    "s": 52.147,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34182,
    "c": 0.13767,
    "h": 281.6
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary

#31277C

secondary

#A3AE51

accent

#DC4CCB

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #31277C

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

Preview Lab → · Contrast checker → · Palette generator →