#21168B#21168B

#21168B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.178 H 273.9°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#21168B
RGB	rgb(33, 22, 139)
HSL	hsl(246, 73%, 32%)
HSV	hsv(246, 84%, 55%)
CMYK	cmyk(76.3%, 84.2%, 0%, 45.5%)
CIE-LAB	lab(19.06, 43.13, -61.46)
CIE-LCH	lch(19.06, 75.09, 305.06°)
OKLab	oklab(32.14% 0.0122 -0.1778)
OKLCH	oklch(32.14% 0.178 273.9)
XYZ	xyz(5.5728, 2.7607, 24.6603)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21168B #808B16

analogous

#16468B #21168B #5C168B

triadic

#21168B #8B2116 #168B21

tetradic

#21168B #8B1646 #808B16 #168B5C

square

#21168B #8B1646 #808B16 #168B5C

split-complementary

#21168B #8B5C16 #468B16

monochromatic

#080521 #140E56 #21168B #2E1EC0 #4B3BE0

Accessibility & contrast

On white

13.53

#21168B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#21168B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21168B

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21168B	#FFFFFF	#000000	##FFFFFF
##21168B	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338E

Deuteranopia (green-blind)

#002989

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #21168b;
/* rgb */ color: rgb(33, 22, 139);
/* oklch */ color: oklch(32.1% 0.178 273.9);

Tailwind

colors: {
  custom: {
    50: '#7057ae',
    500: '#21168b',
    950: '#000000',
  },
}

SCSS

$custom: #21168b;
$custom-light: #7057ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21168b",
  "rgb": {
    "r": 33,
    "g": 22,
    "b": 139
  },
  "hsl": {
    "h": 245.641,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32139,
    "c": 0.17818,
    "h": 273.9
  },
  "luminance": 0.02761
}

Semantic roles & 50–950 ramp

primary

#21168B

secondary

#B3BF3E

accent

#EF38DE

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090310

muted

#7B787F

Preview Lab

Preview with #21168B

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

Preview Lab → · Contrast checker → · Palette generator →