#2F21A2#2F21A2

#2F21A2 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.1% C 0.193 H 276.2°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#2F21A2
RGB	rgb(47, 33, 162)
HSL	hsl(247, 66%, 38%)
HSV	hsv(247, 80%, 64%)
CMYK	cmyk(71%, 79.6%, 0%, 36.5%)
CIE-LAB	lab(24.64, 46.08, -66.37)
CIE-LCH	lch(24.64, 80.80, 304.77°)
OKLab	oklab(37.07% 0.0209 -0.1919)
OKLCH	oklch(37.07% 0.193 276.2)
XYZ	xyz(8.2356, 4.2999, 34.5714)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F21A2 #94A221

analogous

#2153A2 #2F21A2 #6F21A2

triadic

#2F21A2 #A22F21 #21A22F

tetradic

#2F21A2 #A22153 #94A221 #21A26F

square

#2F21A2 #A22153 #94A221 #21A26F

split-complementary

#2F21A2 #A26F21 #53A221

monochromatic

#110C3C #20176F #2F21A2 #3E2CD4 #6D5FDE

Accessibility & contrast

On white

11.29

#2F21A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2F21A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F21A2

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F21A2	#FFFFFF	#000000	##FFFFFF
##2F21A2	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A6

Deuteranopia (green-blind)

#0035A0

Tritanopia (blue-blind)

#004861

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2f21a2;
/* rgb */ color: rgb(47, 33, 162);
/* oklch */ color: oklch(37.1% 0.193 276.2);

Tailwind

colors: {
  custom: {
    50: '#7a60bf',
    500: '#2f21a2',
    950: '#000000',
  },
}

SCSS

$custom: #2f21a2;
$custom-light: #7a60bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f21a2",
  "rgb": {
    "r": 47,
    "g": 33,
    "b": 162
  },
  "hsl": {
    "h": 246.512,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37067,
    "c": 0.193,
    "h": 276.2
  },
  "luminance": 0.04301
}

Semantic roles & 50–950 ramp

primary

#2F21A2

secondary

#B8C35C

accent

#E93FD7

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2F21A2

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

Preview Lab → · Contrast checker → · Palette generator →