#2B21AF#2B21AF

#2B21AF is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.3% C 0.209 H 273.4°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B21AF
RGB	rgb(43, 33, 175)
HSL	hsl(244, 68%, 41%)
HSV	hsv(244, 81%, 69%)
CMYK	cmyk(75.4%, 81.1%, 0%, 31.4%)
CIE-LAB	lab(25.85, 49.81, -72.23)
CIE-LCH	lch(25.85, 87.74, 304.59°)
OKLab	oklab(38.27% 0.0123 -0.2089)
OKLCH	oklch(38.27% 0.209 273.4)
XYZ	xyz(9.2754, 4.6955, 40.9666)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B21AF #A5AF21

analogous

#215EAF #2B21AF #7221AF

triadic

#2B21AF #AF2B21 #21AF2B

tetradic

#2B21AF #AF215E #A5AF21 #21AF72

square

#2B21AF #AF215E #A5AF21 #21AF72

split-complementary

#2B21AF #AF7221 #5EAF21

monochromatic

#120E48 #1E177C #2B21AF #4034D9 #7168E3

Accessibility & contrast

On white

10.83

#2B21AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2B21AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B21AF

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B21AF	#FFFFFF	#000000	##FFFFFF
##2B21AF	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B3

Deuteranopia (green-blind)

#0036AD

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b21af;
/* rgb */ color: rgb(43, 33, 175);
/* oklch */ color: oklch(38.3% 0.209 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b60c8',
    500: '#2b21af',
    950: '#000000',
  },
}

SCSS

$custom: #2b21af;
$custom-light: #7b60c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b21af",
  "rgb": {
    "r": 43,
    "g": 33,
    "b": 175
  },
  "hsl": {
    "h": 244.225,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.3827,
    "c": 0.20931,
    "h": 273.4
  },
  "luminance": 0.04696
}

Semantic roles & 50–950 ramp

primary

#2B21AF

secondary

#C1C864

accent

#EB3DDF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B21AF

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

Preview Lab → · Contrast checker → · Palette generator →