#21118C#21118C

#21118C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.8% C 0.183 H 274.2°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#21118C
RGB	rgb(33, 17, 140)
HSL	hsl(248, 78%, 31%)
HSV	hsv(248, 88%, 55%)
CMYK	cmyk(76.4%, 87.9%, 0%, 45.1%)
CIE-LAB	lab(18.44, 45.64, -63.12)
CIE-LCH	lch(18.44, 77.89, 305.87°)
OKLab	oklab(31.75% 0.0134 -0.1824)
OKLCH	oklch(31.75% 0.183 274.2)
XYZ	xyz(5.5597, 2.6171, 25.0180)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21118C #7C8C11

analogous

#113E8C #21118C #5E118C

triadic

#21118C #8C2111 #118C21

tetradic

#21118C #8C113E #7C8C11 #118C5E

square

#21118C #8C113E #7C8C11 #118C5E

split-complementary

#21118C #8C5E11 #3E8C11

monochromatic

#07041F #140A55 #21118C #2E18C3 #4931E6

Accessibility & contrast

On white

13.78

#21118C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#21118C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21118C

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21118C	#FFFFFF	#000000	##FFFFFF
##21118C	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328F

Deuteranopia (green-blind)

#00278A

Tritanopia (blue-blind)

#003A52

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #21118c;
/* rgb */ color: rgb(33, 17, 140);
/* oklch */ color: oklch(31.8% 0.183 274.2);

Tailwind

colors: {
  custom: {
    50: '#7155af',
    500: '#21118c',
    950: '#000000',
  },
}

SCSS

$custom: #21118c;
$custom-light: #7155af;
$custom-dark: #000000;

JSON

{
  "hex": "#21118c",
  "rgb": {
    "r": 33,
    "g": 17,
    "b": 140
  },
  "hsl": {
    "h": 247.805,
    "s": 78.344,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3175,
    "c": 0.18294,
    "h": 274.2
  },
  "luminance": 0.02618
}

Semantic roles & 50–950 ramp

primary

#21118C

secondary

#AFC138

accent

#F533DC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #21118C

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

Preview Lab → · Contrast checker → · Palette generator →