#210437#210437

#210437 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.2% C 0.093 H 305.4°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#210437
RGB	rgb(33, 4, 55)
HSL	hsl(274, 86%, 12%)
HSV	hsv(274, 93%, 22%)
CMYK	cmyk(40%, 92.7%, 0%, 78.4%)
CIE-LAB	lab(6.20, 25.71, -26.36)
CIE-LCH	lch(6.20, 36.82, 314.29°)
OKLab	oklab(20.21% 0.054 -0.0759)
OKLCH	oklch(20.21% 0.093 305.4)
XYZ	xyz(1.3600, 0.6860, 3.6745)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210437 #1A3704

analogous

#080437 #210437 #370434

triadic

#210437 #372104 #043721

tetradic

#210437 #370804 #1A3704 #043437

square

#210437 #370804 #1A3704 #043437

split-complementary

#210437 #343704 #043708

monochromatic

#11021D #11021D #210437 #430870 #650CA9

Accessibility & contrast

On white

18.47

#210437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#210437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210437

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210437	#FFFFFF	#000000	##FFFFFF
##210437	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#001436

Tritanopia (blue-blind)

#1D111D

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #210437;
/* rgb */ color: rgb(33, 4, 55);
/* oklch */ color: oklch(20.2% 0.093 305.4);

Tailwind

colors: {
  custom: {
    50: '#5f486e',
    500: '#210437',
    950: '#000000',
  },
}

SCSS

$custom: #210437;
$custom-light: #5f486e;
$custom-dark: #000000;

JSON

{
  "hex": "#210437",
  "rgb": {
    "r": 33,
    "g": 4,
    "b": 55
  },
  "hsl": {
    "h": 274.118,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.20211,
    "c": 0.09314,
    "h": 305.4
  },
  "luminance": 0.00686
}

Semantic roles & 50–950 ramp

primary

#210437

secondary

#45791E

accent

#FD2B86

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#050007

muted

#79777A

Preview Lab

Preview with #210437

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

Preview Lab → · Contrast checker → · Palette generator →