#21479C#21479C

#21479C is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.3% C 0.146 H 263.4°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#21479C
RGB	rgb(33, 71, 156)
HSL	hsl(221, 65%, 37%)
HSV	hsv(221, 79%, 61%)
CMYK	cmyk(78.8%, 54.5%, 0%, 38.8%)
CIE-LAB	lab(32.32, 18.58, -50.17)
CIE-LCH	lch(32.32, 53.50, 290.32°)
OKLab	oklab(42.31% -0.0168 -0.1446)
OKLCH	oklch(42.31% 0.146 263.4)
XYZ	xyz(8.8790, 7.2291, 32.3734)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21479C #9C7621

analogous

#21859C #21479C #38219C

triadic

#21479C #9C2147 #479C21

tetradic

#21479C #9C2185 #9C7621 #219C38

square

#21479C #9C2185 #9C7621 #219C38

split-complementary

#21479C #9C3821 #859C21

monochromatic

#0C1937 #163069 #21479C #2C5ECF #5B83DC

Accessibility & contrast

On white

8.59

#21479C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#21479C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21479C

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21479C	#FFFFFF	#000000	##FFFFFF
##21479C	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02529F

Deuteranopia (green-blind)

#00479A

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21479c;
/* rgb */ color: rgb(33, 71, 156);
/* oklch */ color: oklch(42.3% 0.146 263.4);

Tailwind

colors: {
  custom: {
    50: '#7079ba',
    500: '#21479c',
    950: '#000000',
  },
}

SCSS

$custom: #21479c;
$custom-light: #7079ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21479c",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 156
  },
  "hsl": {
    "h": 221.463,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42311,
    "c": 0.14559,
    "h": 263.4
  },
  "luminance": 0.0723
}

Semantic roles & 50–950 ramp

primary

#21479C

secondary

#C1A058

accent

#B440E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21479C

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

Preview Lab → · Contrast checker → · Palette generator →