#2F21C1#2F21C1

#2F21C1 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.6% C 0.229 H 273.2°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#2F21C1
RGB	rgb(47, 33, 193)
HSL	hsl(245, 71%, 44%)
HSV	hsv(245, 83%, 76%)
CMYK	cmyk(75.6%, 82.9%, 0%, 24.3%)
CIE-LAB	lab(28.22, 55.52, -78.99)
CIE-LCH	lch(28.22, 96.55, 305.10°)
OKLab	oklab(40.59% 0.0127 -0.2284)
OKLCH	oklch(40.59% 0.229 273.2)
XYZ	xyz(11.3386, 5.5411, 50.9137)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F21C1 #B3C121

analogous

#2163C1 #2F21C1 #7F21C1

triadic

#2F21C1 #C12F21 #21C12F

tetradic

#2F21C1 #C12163 #B3C121 #21C17F

square

#2F21C1 #C12163 #B3C121 #21C17F

split-complementary

#2F21C1 #C17F21 #63C121

monochromatic

#160F58 #22188D #2F21C1 #4F41DE #7F75E7

Accessibility & contrast

On white

9.96

#2F21C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2F21C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F21C1

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F21C1	#FFFFFF	#000000	##FFFFFF
##2F21C1	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC5

Deuteranopia (green-blind)

#003BBE

Tritanopia (blue-blind)

#005573

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f21c1;
/* rgb */ color: rgb(47, 33, 193);
/* oklch */ color: oklch(40.6% 0.229 273.2);

Tailwind

colors: {
  custom: {
    50: '#8162d5',
    500: '#2f21c1',
    950: '#000000',
  },
}

SCSS

$custom: #2f21c1;
$custom-light: #8162d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f21c1",
  "rgb": {
    "r": 47,
    "g": 33,
    "b": 193
  },
  "hsl": {
    "h": 245.25,
    "s": 70.796,
    "l": 44.314
  },
  "oklch": {
    "l": 0.40592,
    "c": 0.2288,
    "h": 273.2
  },
  "luminance": 0.05542
}

Semantic roles & 50–950 ramp

primary

#2F21C1

secondary

#C6CF6F

accent

#EE3ADE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2F21C1

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

Preview Lab → · Contrast checker → · Palette generator →