#2C21AB#2C21AB

#2C21AB is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.9% C 0.204 H 274.1°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#2C21AB
RGB	rgb(44, 33, 171)
HSL	hsl(245, 68%, 40%)
HSV	hsv(245, 81%, 67%)
CMYK	cmyk(74.3%, 80.7%, 0%, 32.9%)
CIE-LAB	lab(25.45, 48.65, -70.48)
CIE-LCH	lch(25.45, 85.64, 304.61°)
OKLab	oklab(37.88% 0.0146 -0.2039)
OKLCH	oklch(37.88% 0.204 274.1)
XYZ	xyz(8.9308, 4.5626, 38.9302)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C21AB #A0AB21

analogous

#215BAB #2C21AB #7121AB

triadic

#2C21AB #AB2C21 #21AB2C

tetradic

#2C21AB #AB215B #A0AB21 #21AB71

square

#2C21AB #AB215B #A0AB21 #21AB71

split-complementary

#2C21AB #AB7121 #5BAB21

monochromatic

#120D44 #1F1778 #2C21AB #3F32D7 #6F65E1

Accessibility & contrast

On white

10.98

#2C21AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2C21AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C21AB

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C21AB	#FFFFFF	#000000	##FFFFFF
##2C21AB	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)

#0042AF

Deuteranopia (green-blind)

#0036A9

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c21ab;
/* rgb */ color: rgb(44, 33, 171);
/* oklch */ color: oklch(37.9% 0.204 274.1);

Tailwind

colors: {
  custom: {
    50: '#7b60c5',
    500: '#2c21ab',
    950: '#000000',
  },
}

SCSS

$custom: #2c21ab;
$custom-light: #7b60c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c21ab",
  "rgb": {
    "r": 44,
    "g": 33,
    "b": 171
  },
  "hsl": {
    "h": 244.783,
    "s": 67.647,
    "l": 40
  },
  "oklch": {
    "l": 0.37876,
    "c": 0.20439,
    "h": 274.1
  },
  "luminance": 0.04563
}

Semantic roles & 50–950 ramp

primary

#2C21AB

secondary

#BFC761

accent

#EB3DDD

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2C21AB

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

Preview Lab → · Contrast checker → · Palette generator →