#2A31A2#2A31A2

#2A31A2 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.178 H 272.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2A31A2
RGB	rgb(42, 49, 162)
HSL	hsl(237, 59%, 40%)
HSV	hsv(237, 74%, 64%)
CMYK	cmyk(74.1%, 69.8%, 0%, 36.5%)
CIE-LAB	lab(27.56, 36.46, -61.56)
CIE-LCH	lch(27.56, 71.55, 300.63°)
OKLab	oklab(39.06% 0.0063 -0.1781)
OKLCH	oklch(39.06% 0.178 272)
XYZ	xyz(8.5725, 5.2966, 34.7460)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A31A2 #A29B2A

analogous

#2A6DA2 #2A31A2 #5F2AA2

triadic

#2A31A2 #A22A31 #31A22A

tetradic

#2A31A2 #A22A6D #A29B2A #2AA25F

square

#2A31A2 #A22A6D #A29B2A #2AA25F

split-complementary

#2A31A2 #A25F2A #6DA22A

monochromatic

#111441 #1D2271 #2A31A2 #3D45CD #6D73D9

Accessibility & contrast

On white

10.20

#2A31A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2A31A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A31A2

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A31A2	#FFFFFF	#000000	##FFFFFF
##2A31A2	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A5

Deuteranopia (green-blind)

#003BA0

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a31a2;
/* rgb */ color: rgb(42, 49, 162);
/* oklch */ color: oklch(39.1% 0.178 272.0);

Tailwind

colors: {
  custom: {
    50: '#766abf',
    500: '#2a31a2',
    950: '#000000',
  },
}

SCSS

$custom: #2a31a2;
$custom-light: #766abf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a31a2",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 162
  },
  "hsl": {
    "h": 236.5,
    "s": 58.824,
    "l": 40
  },
  "oklch": {
    "l": 0.39057,
    "c": 0.17818,
    "h": 272
  },
  "luminance": 0.05298
}

Semantic roles & 50–950 ramp

primary

#2A31A2

secondary

#C0BB68

accent

#D946E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A31A2

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

Preview Lab → · Contrast checker → · Palette generator →