#2A21BD#2A21BD

#2A21BD is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.8% C 0.226 H 271.9°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#2A21BD
RGB	rgb(42, 33, 189)
HSL	hsl(243, 70%, 44%)
HSV	hsv(243, 83%, 74%)
CMYK	cmyk(77.8%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(27.44, 54.03, -77.93)
CIE-LCH	lch(27.44, 94.82, 304.73°)
OKLab	oklab(39.84% 0.0076 -0.2255)
OKLCH	oklch(39.84% 0.226 271.9)
XYZ	xyz(10.6809, 5.2529, 48.5852)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A21BD #B4BD21

analogous

#2166BD #2A21BD #7821BD

triadic

#2A21BD #BD2A21 #21BD2A

tetradic

#2A21BD #BD2166 #B4BD21 #21BD78

square

#2A21BD #BD2166 #B4BD21 #21BD78

split-complementary

#2A21BD #BD7821 #66BD21

monochromatic

#130F55 #1E1889 #2A21BD #473EDD #7972E6

Accessibility & contrast

On white

10.24

#2A21BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A21BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A21BD

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A21BD	#FFFFFF	#000000	##FFFFFF
##2A21BD	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	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: #2a21bd;
/* rgb */ color: rgb(42, 33, 189);
/* oklch */ color: oklch(39.8% 0.226 271.9);

Tailwind

colors: {
  custom: {
    50: '#7e61d2',
    500: '#2a21bd',
    950: '#000000',
  },
}

SCSS

$custom: #2a21bd;
$custom-light: #7e61d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a21bd",
  "rgb": {
    "r": 42,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 243.462,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39836,
    "c": 0.22561,
    "h": 271.9
  },
  "luminance": 0.05254
}

Semantic roles & 50–950 ramp

primary

#2A21BD

secondary

#C8CD6D

accent

#ED3BE3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2A21BD

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

Preview Lab → · Contrast checker → · Palette generator →