#2A21AA#2A21AA

#2A21AA is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.6% C 0.204 H 273.4°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#2A21AA
RGB	rgb(42, 33, 170)
HSL	hsl(244, 67%, 40%)
HSV	hsv(244, 81%, 67%)
CMYK	cmyk(75.3%, 80.6%, 0%, 33.3%)
CIE-LAB	lab(25.20, 48.19, -70.30)
CIE-LCH	lch(25.20, 85.23, 304.43°)
OKLab	oklab(37.64% 0.0123 -0.2034)
OKLCH	oklch(37.64% 0.204 273.4)
XYZ	xyz(8.7520, 4.4813, 38.4262)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A21AA #A1AA21

analogous

#215CAA #2A21AA #6F21AA

triadic

#2A21AA #AA2A21 #21AA2A

tetradic

#2A21AA #AA215C #A1AA21 #21AA6F

square

#2A21AA #AA215C #A1AA21 #21AA6F

split-complementary

#2A21AA #AA6F21 #5CAA21

monochromatic

#110D43 #1D1777 #2A21AA #3C31D7 #6D64E1

Accessibility & contrast

On white

11.07

#2A21AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A21AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A21AA

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A21AA	#FFFFFF	#000000	##FFFFFF
##2A21AA	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AE

Deuteranopia (green-blind)

#0035A8

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a21aa;
/* rgb */ color: rgb(42, 33, 170);
/* oklch */ color: oklch(37.6% 0.204 273.4);

Tailwind

colors: {
  custom: {
    50: '#7a60c5',
    500: '#2a21aa',
    950: '#000000',
  },
}

SCSS

$custom: #2a21aa;
$custom-light: #7a60c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a21aa",
  "rgb": {
    "r": 42,
    "g": 33,
    "b": 170
  },
  "hsl": {
    "h": 243.942,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37635,
    "c": 0.20373,
    "h": 273.4
  },
  "luminance": 0.04482
}

Semantic roles & 50–950 ramp

primary

#2A21AA

secondary

#C0C661

accent

#EA3DDF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A21AA

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

Preview Lab → · Contrast checker → · Palette generator →