#21479F#21479F

#21479F is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.6% C 0.150 H 263.6°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#21479F
RGB	rgb(33, 71, 159)
HSL	hsl(222, 66%, 38%)
HSV	hsv(222, 79%, 62%)
CMYK	cmyk(79.2%, 55.3%, 0%, 37.6%)
CIE-LAB	lab(32.55, 19.77, -51.61)
CIE-LCH	lch(32.55, 55.27, 290.96°)
OKLab	oklab(42.56% -0.0166 -0.1489)
OKLCH	oklch(42.56% 0.15 263.6)
XYZ	xyz(9.1362, 7.3320, 33.7279)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21479F #9F7921

analogous

#21869F #21479F #3A219F

triadic

#21479F #9F2147 #479F21

tetradic

#21479F #9F2186 #9F7921 #219F3A

square

#21479F #9F2186 #9F7921 #219F3A

split-complementary

#21479F #9F3A21 #869F21

monochromatic

#0C1A3A #16306C #21479F #2C5ED2 #5D84DD

Accessibility & contrast

On white

8.51

#21479F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#21479F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21479F

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21479F	#FFFFFF	#000000	##FFFFFF
##21479F	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21479f;
/* rgb */ color: rgb(33, 71, 159);
/* oklch */ color: oklch(42.6% 0.150 263.6);

Tailwind

colors: {
  custom: {
    50: '#7179bc',
    500: '#21479f',
    950: '#000000',
  },
}

SCSS

$custom: #21479f;
$custom-light: #7179bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21479f",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 159
  },
  "hsl": {
    "h": 221.905,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42556,
    "c": 0.14978,
    "h": 263.6
  },
  "luminance": 0.07333
}

Semantic roles & 50–950 ramp

primary

#21479F

secondary

#C2A35A

accent

#B63FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21479F

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

Preview Lab → · Contrast checker → · Palette generator →