#2A21AC#2A21AC

#2A21AC is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.9% C 0.206 H 273.3°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A21AC
RGB	rgb(42, 33, 172)
HSL	hsl(244, 68%, 40%)
HSV	hsv(244, 81%, 67%)
CMYK	cmyk(75.6%, 80.8%, 0%, 32.5%)
CIE-LAB	lab(25.44, 48.81, -71.12)
CIE-LCH	lch(25.44, 86.26, 304.46°)
OKLab	oklab(37.86% 0.0118 -0.2057)
OKLCH	oklch(37.86% 0.206 273.3)
XYZ	xyz(8.9426, 4.5576, 39.4301)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A21AC #A3AC21

analogous

#215DAC #2A21AC #7021AC

triadic

#2A21AC #AC2A21 #21AC2A

tetradic

#2A21AC #AC215D #A3AC21 #21AC70

square

#2A21AC #AC215D #A3AC21 #21AC70

split-complementary

#2A21AC #AC7021 #5DAC21

monochromatic

#110D45 #1D1779 #2A21AC #3D32D8 #6E66E2

Accessibility & contrast

On white

10.98

#2A21AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A21AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A21AC

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A21AC	#FFFFFF	#000000	##FFFFFF
##2A21AC	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B0

Deuteranopia (green-blind)

#0036AA

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a21ac;
/* rgb */ color: rgb(42, 33, 172);
/* oklch */ color: oklch(37.9% 0.206 273.3);

Tailwind

colors: {
  custom: {
    50: '#7a60c6',
    500: '#2a21ac',
    950: '#000000',
  },
}

SCSS

$custom: #2a21ac;
$custom-light: #7a60c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a21ac",
  "rgb": {
    "r": 42,
    "g": 33,
    "b": 172
  },
  "hsl": {
    "h": 243.885,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37864,
    "c": 0.20608,
    "h": 273.3
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#2A21AC

secondary

#C0C762

accent

#EB3DDF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A21AC

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

Preview Lab → · Contrast checker → · Palette generator →