#21479E#21479E

#21479E is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.5% C 0.148 H 263.5°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#21479E
RGB	rgb(33, 71, 158)
HSL	hsl(222, 65%, 37%)
HSV	hsv(222, 79%, 62%)
CMYK	cmyk(79.1%, 55.1%, 0%, 38%)
CIE-LAB	lab(32.47, 19.37, -51.13)
CIE-LCH	lch(32.47, 54.68, 290.75°)
OKLab	oklab(42.47% -0.0167 -0.1474)
OKLCH	oklch(42.47% 0.148 263.5)
XYZ	xyz(9.0498, 7.2974, 33.2727)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21479E #9E7821

analogous

#21869E #21479E #3A219E

triadic

#21479E #9E2147 #479E21

tetradic

#21479E #9E2186 #9E7821 #219E3A

square

#21479E #9E2186 #9E7821 #219E3A

split-complementary

#21479E #9E3A21 #869E21

monochromatic

#0C1A39 #16306B #21479E #2C5ED1 #5C83DD

Accessibility & contrast

On white

8.54

#21479E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#21479E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21479E

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21479E	#FFFFFF	#000000	##FFFFFF
##21479E	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21479e;
/* rgb */ color: rgb(33, 71, 158);
/* oklch */ color: oklch(42.5% 0.148 263.5);

Tailwind

colors: {
  custom: {
    50: '#7179bb',
    500: '#21479e',
    950: '#000000',
  },
}

SCSS

$custom: #21479e;
$custom-light: #7179bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21479e",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 158
  },
  "hsl": {
    "h": 221.76,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42474,
    "c": 0.14838,
    "h": 263.5
  },
  "luminance": 0.07298
}

Semantic roles & 50–950 ramp

primary

#21479E

secondary

#C1A259

accent

#B53FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21479E

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

Preview Lab → · Contrast checker → · Palette generator →