#210A37#210A37

#210A37 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.1% C 0.083 H 303.3°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#210A37
RGB	rgb(33, 10, 55)
HSL	hsl(271, 69%, 13%)
HSV	hsv(271, 82%, 22%)
CMYK	cmyk(40%, 81.8%, 0%, 78.4%)
CIE-LAB	lab(7.37, 22.55, -24.46)
CIE-LCH	lch(7.37, 33.27, 312.67°)
OKLab	oklab(21.14% 0.0457 -0.0697)
OKLCH	oklch(21.14% 0.083 303.3)
XYZ	xyz(1.4252, 0.8163, 3.6962)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210A37 #20370A

analogous

#0B0A37 #210A37 #370A36

triadic

#210A37 #37210A #0A3721

tetradic

#210A37 #370B0A #20370A #0A3637

square

#210A37 #370B0A #20370A #0A3637

split-complementary

#210A37 #36370A #0A370B

monochromatic

#10051A #10051A #210A37 #40136B #5F1D9F

Accessibility & contrast

On white

18.05

#210A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#210A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210A37

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210A37	#FFFFFF	#000000	##FFFFFF
##210A37	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001638

Deuteranopia (green-blind)

#001636

Tritanopia (blue-blind)

#1D151F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #210a37;
/* rgb */ color: rgb(33, 10, 55);
/* oklch */ color: oklch(21.1% 0.083 303.3);

Tailwind

colors: {
  custom: {
    50: '#5f4b6e',
    500: '#210a37',
    950: '#000000',
  },
}

SCSS

$custom: #210a37;
$custom-light: #5f4b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#210a37",
  "rgb": {
    "r": 33,
    "g": 10,
    "b": 55
  },
  "hsl": {
    "h": 270.667,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.21136,
    "c": 0.08335,
    "h": 303.3
  },
  "luminance": 0.00816
}

Semantic roles & 50–950 ramp

primary

#210A37

secondary

#4E7428

accent

#EC3C92

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050107

muted

#79777A

Preview Lab

Preview with #210A37

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

Preview Lab → · Contrast checker → · Palette generator →