#210A3A#210A3A

#210A3A is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.4% C 0.087 H 301.1°. Best body text is #FFFFFF at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#210A3A
RGB	rgb(33, 10, 58)
HSL	hsl(269, 71%, 13%)
HSV	hsv(269, 83%, 23%)
CMYK	cmyk(43.1%, 82.8%, 0%, 77.3%)
CIE-LAB	lab(7.64, 23.50, -26.20)
CIE-LCH	lch(7.64, 35.19, 311.88°)
OKLab	oklab(21.42% 0.0451 -0.0747)
OKLCH	oklch(21.42% 0.087 301.1)
XYZ	xyz(1.4993, 0.8459, 4.0865)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210A3A #233A0A

analogous

#0A0B3A #210A3A #390A3A

triadic

#210A3A #3A210A #0A3A21

tetradic

#210A3A #3A0A0B #233A0A #0A3A39

square

#210A3A #3A0A0B #233A0A #0A3A39

split-complementary

#210A3A #3A390A #0B3A0A

monochromatic

#0F051A #0F051A #210A3A #3F136E #5C1CA2

Accessibility & contrast

On white

17.96

#210A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#210A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210A3A

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210A3A	#FFFFFF	#000000	##FFFFFF
##210A3A	1.00	17.96	1.17	17.96
#FFFFFF	17.96	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#1C1621

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #210a3a;
/* rgb */ color: rgb(33, 10, 58);
/* oklch */ color: oklch(21.4% 0.087 301.1);

Tailwind

colors: {
  custom: {
    50: '#5f4b71',
    500: '#210a3a',
    950: '#000000',
  },
}

SCSS

$custom: #210a3a;
$custom-light: #5f4b71;
$custom-dark: #000000;

JSON

{
  "hex": "#210a3a",
  "rgb": {
    "r": 33,
    "g": 10,
    "b": 58
  },
  "hsl": {
    "h": 268.75,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.21423,
    "c": 0.08729,
    "h": 301.1
  },
  "luminance": 0.00846
}

Semantic roles & 50–950 ramp

primary

#210A3A

secondary

#527728

accent

#ED3A98

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050107

muted

#79777A

Preview Lab

Preview with #210A3A

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

Preview Lab → · Contrast checker → · Palette generator →