#210A3C#210A3C

#210A3C is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.6% C 0.090 H 299.8°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#210A3C
RGB	rgb(33, 10, 60)
HSL	hsl(268, 71%, 14%)
HSV	hsv(268, 83%, 24%)
CMYK	cmyk(45%, 83.3%, 0%, 76.5%)
CIE-LAB	lab(7.83, 24.12, -27.34)
CIE-LCH	lch(7.83, 36.46, 311.42°)
OKLab	oklab(21.62% 0.0446 -0.0781)
OKLCH	oklch(21.62% 0.09 299.8)
XYZ	xyz(1.5511, 0.8666, 4.3596)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210A3C #253C0A

analogous

#0A0C3C #210A3C #3A0A3C

triadic

#210A3C #3C210A #0A3C21

tetradic

#210A3C #3C0A0C #253C0A #0A3C3A

square

#210A3C #3C0A0C #253C0A #0A3C3A

split-complementary

#210A3C #3C3A0A #0C3C0A

monochromatic

#0E041A #0E041A #210A3C #3E1370 #5B1BA5

Accessibility & contrast

On white

17.90

#210A3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#210A3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210A3C

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210A3C	#FFFFFF	#000000	##FFFFFF
##210A3C	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173D

Deuteranopia (green-blind)

#00173B

Tritanopia (blue-blind)

#1B1722

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #210a3c;
/* rgb */ color: rgb(33, 10, 60);
/* oklch */ color: oklch(21.6% 0.090 299.8);

Tailwind

colors: {
  custom: {
    50: '#604b72',
    500: '#210a3c',
    950: '#000000',
  },
}

SCSS

$custom: #210a3c;
$custom-light: #604b72;
$custom-dark: #000000;

JSON

{
  "hex": "#210a3c",
  "rgb": {
    "r": 33,
    "g": 10,
    "b": 60
  },
  "hsl": {
    "h": 267.6,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.21618,
    "c": 0.08992,
    "h": 299.8
  },
  "luminance": 0.00867
}

Semantic roles & 50–950 ramp

primary

#210A3C

secondary

#547928

accent

#EE3A9B

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #210A3C

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

Preview Lab → · Contrast checker → · Palette generator →