#2B21BD#2B21BD

#2B21BD is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.225 H 272.2°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B21BD
RGB	rgb(43, 33, 189)
HSL	hsl(244, 70%, 44%)
HSV	hsv(244, 83%, 74%)
CMYK	cmyk(77.2%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(27.50, 54.08, -77.83)
CIE-LCH	lch(27.50, 94.78, 304.80°)
OKLab	oklab(39.89% 0.0088 -0.2252)
OKLCH	oklch(39.89% 0.225 272.2)
XYZ	xyz(10.7223, 5.2743, 48.5872)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B21BD #B3BD21

analogous

#2165BD #2B21BD #7921BD

triadic

#2B21BD #BD2B21 #21BD2B

tetradic

#2B21BD #BD2165 #B3BD21 #21BD79

square

#2B21BD #BD2165 #B3BD21 #21BD79

split-complementary

#2B21BD #BD7921 #65BD21

monochromatic

#130F55 #1F1889 #2B21BD #483EDD #7972E6

Accessibility & contrast

On white

10.22

#2B21BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B21BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B21BD

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B21BD	#FFFFFF	#000000	##FFFFFF
##2B21BD	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048C1

Deuteranopia (green-blind)

#0039BA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b21bd;
/* rgb */ color: rgb(43, 33, 189);
/* oklch */ color: oklch(39.9% 0.225 272.2);

Tailwind

colors: {
  custom: {
    50: '#7f61d2',
    500: '#2b21bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b21bd;
$custom-light: #7f61d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b21bd",
  "rgb": {
    "r": 43,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 243.846,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39892,
    "c": 0.22534,
    "h": 272.2
  },
  "luminance": 0.05275
}

Semantic roles & 50–950 ramp

primary

#2B21BD

secondary

#C7CD6D

accent

#ED3BE2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2B21BD

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

Preview Lab → · Contrast checker → · Palette generator →