#21127E#21127E

#21127E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.166 H 276.1°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#21127E
RGB	rgb(33, 18, 126)
HSL	hsl(248, 75%, 28%)
HSV	hsv(248, 86%, 49%)
CMYK	cmyk(73.8%, 85.7%, 0%, 50.6%)
CIE-LAB	lab(16.81, 40.92, -56.99)
CIE-LCH	lch(16.81, 70.16, 305.68°)
OKLab	oklab(30.12% 0.0175 -0.1647)
OKLCH	oklch(30.12% 0.166 276.1)
XYZ	xyz(4.6082, 2.2619, 19.9283)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21127E #6F7E12

analogous

#12397E #21127E #57127E

triadic

#21127E #7E2112 #127E21

tetradic

#21127E #7E1239 #6F7E12 #127E57

square

#21127E #7E1239 #6F7E12 #127E57

split-complementary

#21127E #7E5712 #397E12

monochromatic

#07041B #130A48 #21127E #2F1AB4 #432AE1

Accessibility & contrast

On white

14.46

#21127E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#21127E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21127E

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21127E	#FFFFFF	#000000	##FFFFFF
##21127E	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #21127e;
/* rgb */ color: rgb(33, 18, 126);
/* oklch */ color: oklch(30.1% 0.166 276.1);

Tailwind

colors: {
  custom: {
    50: '#6d54a5',
    500: '#21127e',
    950: '#000000',
  },
}

SCSS

$custom: #21127e;
$custom-light: #6d54a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21127e",
  "rgb": {
    "r": 33,
    "g": 18,
    "b": 126
  },
  "hsl": {
    "h": 248.333,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30117,
    "c": 0.16564,
    "h": 276.1
  },
  "luminance": 0.02262
}

Semantic roles & 50–950 ramp

primary

#21127E

secondary

#A3B438

accent

#F236D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21127E

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

Preview Lab → · Contrast checker → · Palette generator →