#21137E#21137E

#21137E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.165 H 276.0°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#21137E
RGB	rgb(33, 19, 126)
HSL	hsl(248, 74%, 28%)
HSV	hsv(248, 85%, 49%)
CMYK	cmyk(73.8%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(16.96, 40.45, -56.73)
CIE-LCH	lch(16.96, 69.67, 305.49°)
OKLab	oklab(30.23% 0.0171 -0.164)
OKLCH	oklch(30.23% 0.165 276)
XYZ	xyz(4.6247, 2.2950, 19.9339)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21137E #707E13

analogous

#133B7E #21137E #56137E

triadic

#21137E #7E2113 #137E21

tetradic

#21137E #7E133B #707E13 #137E56

square

#21137E #7E133B #707E13 #137E56

split-complementary

#21137E #7E5613 #3B7E13

monochromatic

#07041B #130B49 #21137E #2F1BB3 #442CDF

Accessibility & contrast

On white

14.39

#21137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#21137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21137E

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21137E	#FFFFFF	#000000	##FFFFFF
##21137E	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #21137e;
/* rgb */ color: rgb(33, 19, 126);
/* oklch */ color: oklch(30.2% 0.165 276.0);

Tailwind

colors: {
  custom: {
    50: '#6d55a5',
    500: '#21137e',
    950: '#000000',
  },
}

SCSS

$custom: #21137e;
$custom-light: #6d55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21137e",
  "rgb": {
    "r": 33,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 247.85,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30227,
    "c": 0.16486,
    "h": 276
  },
  "luminance": 0.02295
}

Semantic roles & 50–950 ramp

primary

#21137E

secondary

#A4B439

accent

#F037D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21137E

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

Preview Lab → · Contrast checker → · Palette generator →