#21358F#21358F

#21358F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.150 H 268.4°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#21358F
RGB	rgb(33, 53, 143)
HSL	hsl(229, 63%, 35%)
HSV	hsv(229, 77%, 56%)
CMYK	cmyk(76.9%, 62.9%, 0%, 43.9%)
CIE-LAB	lab(26.31, 25.78, -52.01)
CIE-LCH	lch(26.31, 58.05, 296.36°)
OKLab	oklab(37.47% -0.0043 -0.1503)
OKLCH	oklch(37.47% 0.15 268.4)
XYZ	xyz(6.8565, 4.8520, 26.5564)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21358F #8F7B21

analogous

#216C8F #21358F #44218F

triadic

#21358F #8F2135 #358F21

tetradic

#21358F #8F216C #8F7B21 #218F44

square

#21358F #8F216C #8F7B21 #218F44

split-complementary

#21358F #8F4421 #6C8F21

monochromatic

#0A102C #16235D #21358F #2C47C1 #536BD7

Accessibility & contrast

On white

10.66

#21358F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#21358F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21358F

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21358F	#FFFFFF	#000000	##FFFFFF
##21358F	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #21358f;
/* rgb */ color: rgb(33, 53, 143);
/* oklch */ color: oklch(37.5% 0.150 268.4);

Tailwind

colors: {
  custom: {
    50: '#6e6cb1',
    500: '#21358f',
    950: '#000000',
  },
}

SCSS

$custom: #21358f;
$custom-light: #6e6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#21358f",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 143
  },
  "hsl": {
    "h": 229.091,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3747,
    "c": 0.15036,
    "h": 268.4
  },
  "luminance": 0.04853
}

Semantic roles & 50–950 ramp

primary

#21358F

secondary

#BBA851

accent

#C842E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #21358F

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

Preview Lab → · Contrast checker → · Palette generator →