#210B3F#210B3F

#210B3F is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.1% C 0.092 H 297.5°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#210B3F
RGB	rgb(33, 11, 63)
HSL	hsl(265, 70%, 15%)
HSV	hsv(265, 83%, 25%)
CMYK	cmyk(47.6%, 82.5%, 0%, 75.3%)
CIE-LAB	lab(8.32, 24.48, -28.69)
CIE-LCH	lch(8.32, 37.71, 310.47°)
OKLab	oklab(22.06% 0.0427 -0.082)
OKLCH	oklch(22.06% 0.092 297.5)
XYZ	xyz(1.6438, 0.9215, 4.7929)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B3F #293F0B

analogous

#0B0F3F #210B3F #3B0B3F

triadic

#210B3F #3F210B #0B3F21

tetradic

#210B3F #3F0B0F #293F0B #0B3F3B

square

#210B3F #3F0B0F #293F0B #0B3F3B

split-complementary

#210B3F #3F3B0B #0F3F0B

monochromatic

#0E051A #0E051A #210B3F #3C1473 #581DA7

Accessibility & contrast

On white

17.73

#210B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#210B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B3F

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B3F	#FFFFFF	#000000	##FFFFFF
##210B3F	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001841

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#191824

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #210b3f;
/* rgb */ color: rgb(33, 11, 63);
/* oklch */ color: oklch(22.1% 0.092 297.5);

Tailwind

colors: {
  custom: {
    50: '#604c74',
    500: '#210b3f',
    950: '#000000',
  },
}

SCSS

$custom: #210b3f;
$custom-light: #604c74;
$custom-dark: #000000;

JSON

{
  "hex": "#210b3f",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 63
  },
  "hsl": {
    "h": 265.385,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22058,
    "c": 0.09248,
    "h": 297.5
  },
  "luminance": 0.00922
}

Semantic roles & 50–950 ramp

primary

#210B3F

secondary

#597C2A

accent

#ED3BA2

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050108

muted

#79777B

Preview Lab

Preview with #210B3F

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

Preview Lab → · Contrast checker → · Palette generator →