#21499F#21499F

#21499F is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.147 H 262.9°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#21499F
RGB	rgb(33, 73, 159)
HSL	hsl(221, 66%, 38%)
HSV	hsv(221, 79%, 62%)
CMYK	cmyk(79.2%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(33.12, 18.41, -50.70)
CIE-LCH	lch(33.12, 53.94, 289.96°)
OKLab	oklab(42.98% -0.0181 -0.1461)
OKLCH	oklch(42.98% 0.147 262.9)
XYZ	xyz(9.2655, 7.5905, 33.7710)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21499F #9F7721

analogous

#21889F #21499F #38219F

triadic

#21499F #9F2149 #499F21

tetradic

#21499F #9F2188 #9F7721 #219F38

square

#21499F #9F2188 #9F7721 #219F38

split-complementary

#21499F #9F3821 #889F21

monochromatic

#0C1A3A #16326C #21499F #2C60D2 #5D86DD

Accessibility & contrast

On white

8.34

#21499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#21499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21499F

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21499F	#FFFFFF	#000000	##FFFFFF
##21499F	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0554A2

Deuteranopia (green-blind)

#00489D

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #21499f;
/* rgb */ color: rgb(33, 73, 159);
/* oklch */ color: oklch(43.0% 0.147 262.9);

Tailwind

colors: {
  custom: {
    50: '#717bbc',
    500: '#21499f',
    950: '#000000',
  },
}

SCSS

$custom: #21499f;
$custom-light: #717bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#21499f",
  "rgb": {
    "r": 33,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 220.952,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42984,
    "c": 0.14724,
    "h": 262.9
  },
  "luminance": 0.07592
}

Semantic roles & 50–950 ramp

primary

#21499F

secondary

#C2A15A

accent

#B33FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #21499F

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

Preview Lab → · Contrast checker → · Palette generator →