#21118E#21118E

#21118E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.185 H 273.9°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#21118E
RGB	rgb(33, 17, 142)
HSL	hsl(248, 79%, 31%)
HSV	hsv(248, 88%, 56%)
CMYK	cmyk(76.8%, 88%, 0%, 44.3%)
CIE-LAB	lab(18.70, 46.24, -63.94)
CIE-LCH	lch(18.70, 78.91, 305.88°)
OKLab	oklab(32% 0.0127 -0.1848)
OKLCH	oklch(32% 0.185 273.9)
XYZ	xyz(5.7085, 2.6766, 25.8017)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21118E #7E8E11

analogous

#113F8E #21118E #5F118E

triadic

#21118E #8E2111 #118E21

tetradic

#21118E #8E113F #7E8E11 #118E5F

square

#21118E #8E113F #7E8E11 #118E5F

split-complementary

#21118E #8E5F11 #3F8E11

monochromatic

#080421 #140A57 #21118E #2E18C5 #4A33E7

Accessibility & contrast

On white

13.68

#21118E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#21118E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21118E

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21118E	#FFFFFF	#000000	##FFFFFF
##21118E	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #21118e;
/* rgb */ color: rgb(33, 17, 142);
/* oklch */ color: oklch(32.0% 0.185 273.9);

Tailwind

colors: {
  custom: {
    50: '#7155b0',
    500: '#21118e',
    950: '#000000',
  },
}

SCSS

$custom: #21118e;
$custom-light: #7155b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21118e",
  "rgb": {
    "r": 33,
    "g": 17,
    "b": 142
  },
  "hsl": {
    "h": 247.68,
    "s": 78.616,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32001,
    "c": 0.18526,
    "h": 273.9
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#21118E

secondary

#B1C238

accent

#F533DC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #21118E

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

Preview Lab → · Contrast checker → · Palette generator →