#31247A#31247A

#31247A is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.139 H 282.8°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#31247A
RGB	rgb(49, 36, 122)
HSL	hsl(249, 54%, 31%)
HSV	hsv(249, 70%, 48%)
CMYK	cmyk(59.8%, 70.5%, 0%, 52.2%)
CIE-LAB	lab(21.28, 31.63, -47.02)
CIE-LCH	lch(21.28, 56.67, 303.93°)
OKLab	oklab(33.49% 0.0308 -0.1353)
OKLCH	oklch(33.49% 0.139 282.8)
XYZ	xyz(5.4093, 3.3195, 18.7643)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31247A #6D7A24

analogous

#24427A #31247A #5C247A

triadic

#31247A #7A3124 #247A31

tetradic

#31247A #7A2442 #6D7A24 #247A5C

square

#31247A #7A2442 #6D7A24 #247A5C

split-complementary

#31247A #7A5C24 #427A24

monochromatic

#0B081B #1E164B #31247A #4432A9 #614ECB

Accessibility & contrast

On white

12.62

#31247A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#31247A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31247A

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31247A	#FFFFFF	#000000	##FFFFFF
##31247A	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367D

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#083A4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #31247a;
/* rgb */ color: rgb(49, 36, 122);
/* oklch */ color: oklch(33.5% 0.139 282.8);

Tailwind

colors: {
  custom: {
    50: '#7260a1',
    500: '#31247a',
    950: '#000000',
  },
}

SCSS

$custom: #31247a;
$custom-light: #7260a1;
$custom-dark: #000000;

JSON

{
  "hex": "#31247a",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 122
  },
  "hsl": {
    "h": 249.07,
    "s": 54.43,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33494,
    "c": 0.13877,
    "h": 282.8
  },
  "luminance": 0.0332
}

Semantic roles & 50–950 ramp

primary

#31247A

secondary

#9EAC4D

accent

#DE4AC7

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08050F

muted

#7B797F

Preview Lab

Preview with #31247A

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

Preview Lab → · Contrast checker → · Palette generator →