#21107F#21107F

#21107F is a dark, vivid blue. Relative luminance 0.022; OKLCH L 30.0% C 0.168 H 276.1°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#21107F
RGB	rgb(33, 16, 127)
HSL	hsl(249, 78%, 28%)
HSV	hsv(249, 87%, 50%)
CMYK	cmyk(74%, 87.4%, 0%, 50.2%)
CIE-LAB	lab(16.63, 42.12, -57.92)
CIE-LCH	lch(16.63, 71.61, 306.02°)
OKLab	oklab(30.03% 0.0179 -0.1674)
OKLCH	oklch(30.03% 0.168 276.1)
XYZ	xyz(4.6420, 2.2258, 20.2595)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21107F #6E7F10

analogous

#10377F #21107F #58107F

triadic

#21107F #7F2110 #107F21

tetradic

#21107F #7F1037 #6E7F10 #107F58

square

#21107F #7F1037 #6E7F10 #107F58

split-complementary

#21107F #7F5810 #377F10

monochromatic

#07031B #130949 #21107F #2F17B5 #4326E4

Accessibility & contrast

On white

14.53

#21107F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#21107F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21107F

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21107F	#FFFFFF	#000000	##FFFFFF
##21107F	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E82

Deuteranopia (green-blind)

#00247D

Tritanopia (blue-blind)

#00344A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #21107f;
/* rgb */ color: rgb(33, 16, 127);
/* oklch */ color: oklch(30.0% 0.168 276.1);

Tailwind

colors: {
  custom: {
    50: '#6e53a5',
    500: '#21107f',
    950: '#000000',
  },
}

SCSS

$custom: #21107f;
$custom-light: #6e53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21107f",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 127
  },
  "hsl": {
    "h": 249.189,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30033,
    "c": 0.16832,
    "h": 276.1
  },
  "luminance": 0.02226
}

Semantic roles & 50–950 ramp

primary

#21107F

secondary

#A2B536

accent

#F434D7

background

#F7F5FA

surface

#EDE8F4

border

#C8C4CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21107F

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

Preview Lab → · Contrast checker → · Palette generator →