#2B31C4#2B31C4

#2B31C4 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.220 H 270.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B31C4
RGB	rgb(43, 49, 196)
HSL	hsl(238, 64%, 47%)
HSV	hsv(238, 78%, 77%)
CMYK	cmyk(78.1%, 75%, 0%, 23.1%)
CIE-LAB	lab(31.10, 48.19, -75.99)
CIE-LCH	lch(31.10, 89.98, 302.38°)
OKLab	oklab(42.64% 0.0025 -0.2201)
OKLCH	oklch(42.64% 0.22 270.6)
XYZ	xyz(12.0550, 6.6944, 52.8707)
Luminance	0.0670 (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

#2B31C4 #C4BE2B

analogous

#2B7EC4 #2B31C4 #722BC4

triadic

#2B31C4 #C42B31 #31C42B

tetradic

#2B31C4 #C42B7E #C4BE2B #2BC472

square

#2B31C4 #C42B7E #C4BE2B #2BC472

split-complementary

#2B31C4 #C4722B #7EC42B

monochromatic

#151860 #202492 #2B31C4 #5358D9 #8589E4

Accessibility & contrast

On white

8.98

#2B31C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2B31C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B31C4

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B31C4	#FFFFFF	#000000	##FFFFFF
##2B31C4	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C8

Deuteranopia (green-blind)

#0041C1

Tritanopia (blue-blind)

#005C78

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b31c4;
/* rgb */ color: rgb(43, 49, 196);
/* oklch */ color: oklch(42.6% 0.220 270.6);

Tailwind

colors: {
  custom: {
    50: '#7f6bd7',
    500: '#2b31c4',
    950: '#000000',
  },
}

SCSS

$custom: #2b31c4;
$custom-light: #7f6bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b31c4",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 196
  },
  "hsl": {
    "h": 237.647,
    "s": 64.017,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42642,
    "c": 0.22008,
    "h": 270.6
  },
  "luminance": 0.06696
}

Semantic roles & 50–950 ramp

primary

#2B31C4

secondary

#CECA7D

accent

#E141E7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2B31C4

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

Preview Lab → · Contrast checker → · Palette generator →