#2F31C8#2F31C8

#2F31C8 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.224 H 271.5°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#2F31C8
RGB	rgb(47, 49, 200)
HSL	hsl(239, 62%, 48%)
HSV	hsv(239, 77%, 78%)
CMYK	cmyk(76.5%, 75.5%, 0%, 21.6%)
CIE-LAB	lab(31.74, 49.80, -77.27)
CIE-LCH	lch(31.74, 91.93, 302.80°)
OKLab	oklab(43.28% 0.006 -0.2237)
OKLCH	oklch(43.28% 0.224 271.5)
XYZ	xyz(12.6924, 6.9697, 55.3087)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F31C8 #C8C62F

analogous

#2F7DC8 #2F31C8 #792FC8

triadic

#2F31C8 #C82F31 #31C82F

tetradic

#2F31C8 #C82F7D #C8C62F #2FC879

square

#2F31C8 #C82F7D #C8C62F #2FC879

split-complementary

#2F31C8 #C8792F #7DC82F

monochromatic

#181965 #232596 #2F31C8 #5C5DD9 #8D8EE4

Accessibility & contrast

On white

8.77

#2F31C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2F31C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F31C8

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F31C8	#FFFFFF	#000000	##FFFFFF
##2F31C8	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052CC

Deuteranopia (green-blind)

#0043C5

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f31c8;
/* rgb */ color: rgb(47, 49, 200);
/* oklch */ color: oklch(43.3% 0.224 271.5);

Tailwind

colors: {
  custom: {
    50: '#816bda',
    500: '#2f31c8',
    950: '#000000',
  },
}

SCSS

$custom: #2f31c8;
$custom-light: #816bda;
$custom-dark: #000000;

JSON

{
  "hex": "#2f31c8",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 200
  },
  "hsl": {
    "h": 239.216,
    "s": 61.943,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43276,
    "c": 0.22379,
    "h": 271.5
  },
  "luminance": 0.06971
}

Semantic roles & 50–950 ramp

primary

#2F31C8

secondary

#CFCE84

accent

#E343E5

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2F31C8

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

Preview Lab → · Contrast checker → · Palette generator →