#210B3A#210B3A

#210B3A is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.6% C 0.086 H 300.7°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#210B3A
RGB	rgb(33, 11, 58)
HSL	hsl(268, 68%, 14%)
HSV	hsv(268, 81%, 23%)
CMYK	cmyk(43.1%, 81%, 0%, 77.3%)
CIE-LAB	lab(7.84, 22.94, -25.87)
CIE-LCH	lch(7.84, 34.58, 311.56°)
OKLab	oklab(21.57% 0.0439 -0.0738)
OKLCH	oklch(21.57% 0.086 300.7)
XYZ	xyz(1.5104, 0.8682, 4.0902)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B3A #243A0B

analogous

#0B0C3A #210B3A #380B3A

triadic

#210B3A #3A210B #0B3A21

tetradic

#210B3A #3A0B0C #243A0B #0B3A38

square

#210B3A #3A0B0C #243A0B #0B3A38

split-complementary

#210B3A #3A380B #0C3A0B

monochromatic

#0F051A #0F051A #210B3A #3E156D #5C1FA1

Accessibility & contrast

On white

17.89

#210B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#210B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B3A

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B3A	#FFFFFF	#000000	##FFFFFF
##210B3A	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#1B1621

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #210b3a;
/* rgb */ color: rgb(33, 11, 58);
/* oklch */ color: oklch(21.6% 0.086 300.7);

Tailwind

colors: {
  custom: {
    50: '#5f4c71',
    500: '#210b3a',
    950: '#000000',
  },
}

SCSS

$custom: #210b3a;
$custom-light: #5f4c71;
$custom-dark: #000000;

JSON

{
  "hex": "#210b3a",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 58
  },
  "hsl": {
    "h": 268.085,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.21569,
    "c": 0.08583,
    "h": 300.7
  },
  "luminance": 0.00868
}

Semantic roles & 50–950 ramp

primary

#210B3A

secondary

#53772A

accent

#EB3D99

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050107

muted

#79777A

Preview Lab

Preview with #210B3A

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

Preview Lab → · Contrast checker → · Palette generator →