#21379C#21379C

#21379C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.166 H 268.0°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#21379C
RGB	rgb(33, 55, 156)
HSL	hsl(229, 65%, 37%)
HSV	hsv(229, 79%, 61%)
CMYK	cmyk(78.8%, 64.7%, 0%, 38.8%)
CIE-LAB	lab(27.99, 29.42, -57.23)
CIE-LCH	lch(27.99, 64.35, 297.21°)
OKLab	oklab(39.07% -0.0059 -0.1656)
OKLCH	oklch(39.07% 0.166 268)
XYZ	xyz(7.9921, 5.4551, 32.0778)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21379C #9C8621

analogous

#21759C #21379C #48219C

triadic

#21379C #9C2137 #379C21

tetradic

#21379C #9C2175 #9C8621 #219C48

square

#21379C #9C2175 #9C8621 #219C48

split-complementary

#21379C #9C4821 #759C21

monochromatic

#0C1337 #162569 #21379C #2C49CF #5B72DC

Accessibility & contrast

On white

10.04

#21379C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#21379C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21379C

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21379C	#FFFFFF	#000000	##FFFFFF
##21379C	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#003C9A

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21379c;
/* rgb */ color: rgb(33, 55, 156);
/* oklch */ color: oklch(39.1% 0.166 268.0);

Tailwind

colors: {
  custom: {
    50: '#716dba',
    500: '#21379c',
    950: '#000000',
  },
}

SCSS

$custom: #21379c;
$custom-light: #716dba;
$custom-dark: #000000;

JSON

{
  "hex": "#21379c",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 156
  },
  "hsl": {
    "h": 229.268,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39074,
    "c": 0.16567,
    "h": 268
  },
  "luminance": 0.05456
}

Semantic roles & 50–950 ramp

primary

#21379C

secondary

#C1AE58

accent

#CA40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #21379C

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

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