#2B21AC#2B21AC

#2B21AC is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.9% C 0.206 H 273.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B21AC
RGB	rgb(43, 33, 172)
HSL	hsl(244, 68%, 40%)
HSV	hsv(244, 81%, 67%)
CMYK	cmyk(75%, 80.8%, 0%, 32.5%)
CIE-LAB	lab(25.50, 48.88, -71.01)
CIE-LCH	lch(25.50, 86.21, 304.54°)
OKLab	oklab(37.93% 0.013 -0.2054)
OKLCH	oklch(37.93% 0.206 273.6)
XYZ	xyz(8.9840, 4.5789, 39.4321)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B21AC #A2AC21

analogous

#215CAC #2B21AC #7121AC

triadic

#2B21AC #AC2B21 #21AC2B

tetradic

#2B21AC #AC215C #A2AC21 #21AC71

square

#2B21AC #AC215C #A2AC21 #21AC71

split-complementary

#2B21AC #AC7121 #5CAC21

monochromatic

#110D45 #1E1779 #2B21AC #3E32D8 #6F66E2

Accessibility & contrast

On white

10.96

#2B21AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B21AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B21AC

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B21AC	#FFFFFF	#000000	##FFFFFF
##2B21AC	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	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: #2b21ac;
/* rgb */ color: rgb(43, 33, 172);
/* oklch */ color: oklch(37.9% 0.206 273.6);

Tailwind

colors: {
  custom: {
    50: '#7b60c6',
    500: '#2b21ac',
    950: '#000000',
  },
}

SCSS

$custom: #2b21ac;
$custom-light: #7b60c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b21ac",
  "rgb": {
    "r": 43,
    "g": 33,
    "b": 172
  },
  "hsl": {
    "h": 244.317,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37926,
    "c": 0.20582,
    "h": 273.6
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary

#2B21AC

secondary

#C0C762

accent

#EB3DDE

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B21AC

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

Preview Lab → · Contrast checker → · Palette generator →