#21359F#21359F

#21359F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.172 H 268.4°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#21359F
RGB	rgb(33, 53, 159)
HSL	hsl(230, 66%, 38%)
HSV	hsv(230, 79%, 62%)
CMYK	cmyk(79.2%, 66.7%, 0%, 37.6%)
CIE-LAB	lab(27.77, 31.88, -59.42)
CIE-LCH	lch(27.77, 67.43, 298.21°)
OKLab	oklab(38.99% -0.0049 -0.172)
OKLCH	oklch(38.99% 0.172 268.4)
XYZ	xyz(8.1561, 5.3718, 33.4012)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21359F #9F8B21

analogous

#21749F #21359F #4C219F

triadic

#21359F #9F2135 #359F21

tetradic

#21359F #9F2174 #9F8B21 #219F4C

square

#21359F #9F2174 #9F8B21 #219F4C

split-complementary

#21359F #9F4C21 #749F21

monochromatic

#0C133A #16246C #21359F #2C46D2 #5D71DD

Accessibility & contrast

On white

10.12

#21359F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#21359F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21359F

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21359F	#FFFFFF	#000000	##FFFFFF
##21359F	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A2

Deuteranopia (green-blind)

#003C9D

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21359f;
/* rgb */ color: rgb(33, 53, 159);
/* oklch */ color: oklch(39.0% 0.172 268.4);

Tailwind

colors: {
  custom: {
    50: '#726cbc',
    500: '#21359f',
    950: '#000000',
  },
}

SCSS

$custom: #21359f;
$custom-light: #726cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#21359f",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 159
  },
  "hsl": {
    "h": 230.476,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38994,
    "c": 0.17207,
    "h": 268.4
  },
  "luminance": 0.05373
}

Semantic roles & 50–950 ramp

primary

#21359F

secondary

#C2B15A

accent

#CE3FE9

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #21359F

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

Preview Lab → · Contrast checker → · Palette generator →