#2A21C2#2A21C2

#2A21C2 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.4% C 0.231 H 271.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2A21C2
RGB	rgb(42, 33, 194)
HSL	hsl(243, 71%, 45%)
HSV	hsv(243, 83%, 76%)
CMYK	cmyk(78.4%, 83%, 0%, 23.9%)
CIE-LAB	lab(28.04, 55.53, -79.88)
CIE-LCH	lch(28.04, 97.29, 304.80°)
OKLab	oklab(40.42% 0.0064 -0.2311)
OKLCH	oklch(40.42% 0.231 271.6)
XYZ	xyz(11.2330, 5.4737, 51.4930)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A21C2 #B9C221

analogous

#2169C2 #2A21C2 #7B21C2

triadic

#2A21C2 #C22A21 #21C22A

tetradic

#2A21C2 #C22169 #B9C221 #21C27B

square

#2A21C2 #C22169 #B9C221 #21C27B

split-complementary

#2A21C2 #C27B21 #69C221

monochromatic

#130F59 #1F188E #2A21C2 #4A41DF #7C76E8

Accessibility & contrast

On white

10.02

#2A21C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2A21C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A21C2

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A21C2	#FFFFFF	#000000	##FFFFFF
##2A21C2	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC6

Deuteranopia (green-blind)

#003ABF

Tritanopia (blue-blind)

#005674

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a21c2;
/* rgb */ color: rgb(42, 33, 194);
/* oklch */ color: oklch(40.4% 0.231 271.6);

Tailwind

colors: {
  custom: {
    50: '#8062d6',
    500: '#2a21c2',
    950: '#000000',
  },
}

SCSS

$custom: #2a21c2;
$custom-light: #8062d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a21c2",
  "rgb": {
    "r": 42,
    "g": 33,
    "b": 194
  },
  "hsl": {
    "h": 243.354,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.40423,
    "c": 0.23123,
    "h": 271.6
  },
  "luminance": 0.05475
}

Semantic roles & 50–950 ramp

primary

#2A21C2

secondary

#CACF70

accent

#EE3AE4

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0515

muted

#7D7A83

Preview Lab

Preview with #2A21C2

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

Preview Lab → · Contrast checker → · Palette generator →