#21107D#21107D

#21107D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.166 H 276.4°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#21107D
RGB	rgb(33, 16, 125)
HSL	hsl(249, 77%, 28%)
HSV	hsv(249, 87%, 49%)
CMYK	cmyk(73.6%, 87.2%, 0%, 51%)
CIE-LAB	lab(16.38, 41.50, -57.07)
CIE-LCH	lch(16.38, 70.56, 306.03°)
OKLab	oklab(29.79% 0.0185 -0.1649)
OKLCH	oklch(29.79% 0.166 276.4)
XYZ	xyz(4.5130, 2.1742, 19.5799)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21107D #6C7D10

analogous

#10357D #21107D #58107D

triadic

#21107D #7D2110 #107D21

tetradic

#21107D #7D1035 #6C7D10 #107D58

square

#21107D #7D1035 #6C7D10 #107D58

split-complementary

#21107D #7D5810 #357D10

monochromatic

#07031B #130947 #21107D #2F17B3 #4224E3

Accessibility & contrast

On white

14.63

#21107D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#21107D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21107D

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21107D	#FFFFFF	#000000	##FFFFFF
##21107D	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D80

Deuteranopia (green-blind)

#00247B

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #21107d;
/* rgb */ color: rgb(33, 16, 125);
/* oklch */ color: oklch(29.8% 0.166 276.4);

Tailwind

colors: {
  custom: {
    50: '#6d53a4',
    500: '#21107d',
    950: '#000000',
  },
}

SCSS

$custom: #21107d;
$custom-light: #6d53a4;
$custom-dark: #000000;

JSON

{
  "hex": "#21107d",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 125
  },
  "hsl": {
    "h": 249.358,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29786,
    "c": 0.16593,
    "h": 276.4
  },
  "luminance": 0.02175
}

Semantic roles & 50–950 ramp

primary

#21107D

secondary

#A0B335

accent

#F434D6

background

#F7F4FA

surface

#EDE8F4

border

#C8C4CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21107D

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

Preview Lab → · Contrast checker → · Palette generator →