#2A21BE#2A21BE

#2A21BE is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 40.0% C 0.227 H 271.9°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2A21BE
RGB	rgb(42, 33, 190)
HSL	hsl(243, 70%, 44%)
HSV	hsv(243, 83%, 75%)
CMYK	cmyk(77.9%, 82.6%, 0%, 25.5%)
CIE-LAB	lab(27.56, 54.33, -78.32)
CIE-LCH	lch(27.56, 95.32, 304.75°)
OKLab	oklab(39.95% 0.0074 -0.2266)
OKLCH	oklch(39.95% 0.227 271.9)
XYZ	xyz(10.7898, 5.2965, 49.1589)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A21BE #B5BE21

analogous

#2167BE #2A21BE #7821BE

triadic

#2A21BE #BE2A21 #21BE2A

tetradic

#2A21BE #BE2167 #B5BE21 #21BE78

square

#2A21BE #BE2167 #B5BE21 #21BE78

split-complementary

#2A21BE #BE7821 #67BE21

monochromatic

#130F56 #1E188A #2A21BE #483FDE #7973E7

Accessibility & contrast

On white

10.20

#2A21BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2A21BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A21BE

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A21BE	#FFFFFF	#000000	##FFFFFF
##2A21BE	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)

#0048C2

Deuteranopia (green-blind)

#0039BB

Tritanopia (blue-blind)

#005472

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a21be;
/* rgb */ color: rgb(42, 33, 190);
/* oklch */ color: oklch(40.0% 0.227 271.9);

Tailwind

colors: {
  custom: {
    50: '#7f61d3',
    500: '#2a21be',
    950: '#000000',
  },
}

SCSS

$custom: #2a21be;
$custom-light: #7f61d3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a21be",
  "rgb": {
    "r": 42,
    "g": 33,
    "b": 190
  },
  "hsl": {
    "h": 243.439,
    "s": 70.404,
    "l": 43.725
  },
  "oklch": {
    "l": 0.39953,
    "c": 0.22674,
    "h": 271.9
  },
  "luminance": 0.05298
}

Semantic roles & 50–950 ramp

primary

#2A21BE

secondary

#C8CD6D

accent

#ED3BE3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2A21BE

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

Preview Lab → · Contrast checker → · Palette generator →