#21107E#21107E

#21107E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.167 H 276.2°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#21107E
RGB	rgb(33, 16, 126)
HSL	hsl(249, 77%, 28%)
HSV	hsv(249, 87%, 49%)
CMYK	cmyk(73.8%, 87.3%, 0%, 50.6%)
CIE-LAB	lab(16.50, 41.81, -57.49)
CIE-LCH	lch(16.50, 71.09, 306.03°)
OKLab	oklab(29.91% 0.0182 -0.1661)
OKLCH	oklch(29.91% 0.167 276.2)
XYZ	xyz(4.5772, 2.1998, 19.9180)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21107E #6D7E10

analogous

#10367E #21107E #58107E

triadic

#21107E #7E2110 #107E21

tetradic

#21107E #7E1036 #6D7E10 #107E58

square

#21107E #7E1036 #6D7E10 #107E58

split-complementary

#21107E #7E5810 #367E10

monochromatic

#07031B #130948 #21107E #2F17B4 #4225E3

Accessibility & contrast

On white

14.58

#21107E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#21107E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21107E

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21107E	#FFFFFF	#000000	##FFFFFF
##21107E	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #21107e;
/* rgb */ color: rgb(33, 16, 126);
/* oklch */ color: oklch(29.9% 0.167 276.2);

Tailwind

colors: {
  custom: {
    50: '#6d53a5',
    500: '#21107e',
    950: '#000000',
  },
}

SCSS

$custom: #21107e;
$custom-light: #6d53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21107e",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 126
  },
  "hsl": {
    "h": 249.273,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.2991,
    "c": 0.16712,
    "h": 276.2
  },
  "luminance": 0.022
}

Semantic roles & 50–950 ramp

primary

#21107E

secondary

#A1B436

accent

#F434D6

background

#F7F4FA

surface

#EDE8F4

border

#C8C4CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21107E

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

Preview Lab → · Contrast checker → · Palette generator →