#21339F#21339F

#21339F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.174 H 268.8°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#21339F
RGB	rgb(33, 51, 159)
HSL	hsl(231, 66%, 38%)
HSV	hsv(231, 79%, 62%)
CMYK	cmyk(79.2%, 67.9%, 0%, 37.6%)
CIE-LAB	lab(27.28, 33.19, -60.23)
CIE-LCH	lch(27.28, 68.76, 298.86°)
OKLab	oklab(38.64% -0.0038 -0.1744)
OKLCH	oklch(38.64% 0.174 268.8)
XYZ	xyz(8.0669, 5.1933, 33.3714)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21339F #9F8D21

analogous

#21729F #21339F #4E219F

triadic

#21339F #9F2133 #339F21

tetradic

#21339F #9F2172 #9F8D21 #219F4E

square

#21339F #9F2172 #9F8D21 #219F4E

split-complementary

#21339F #9F4E21 #729F21

monochromatic

#0C123A #16236C #21339F #2C43D2 #5D6FDD

Accessibility & contrast

On white

10.30

#21339F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#21339F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21339F

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21339F	#FFFFFF	#000000	##FFFFFF
##21339F	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003A9D

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #21339f;
/* rgb */ color: rgb(33, 51, 159);
/* oklch */ color: oklch(38.6% 0.174 268.8);

Tailwind

colors: {
  custom: {
    50: '#726bbc',
    500: '#21339f',
    950: '#000000',
  },
}

SCSS

$custom: #21339f;
$custom-light: #726bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#21339f",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 159
  },
  "hsl": {
    "h": 231.429,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38635,
    "c": 0.1744,
    "h": 268.8
  },
  "luminance": 0.05194
}

Semantic roles & 50–950 ramp

primary

#21339F

secondary

#C2B35A

accent

#D03FE9

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #21339F

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

Preview Lab → · Contrast checker → · Palette generator →