#21355C#21355C

#21355C is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.3% C 0.074 H 262.6°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#21355C
RGB	rgb(33, 53, 92)
HSL	hsl(220, 47%, 25%)
HSV	hsv(220, 64%, 36%)
CMYK	cmyk(64.1%, 42.4%, 0%, 63.9%)
CIE-LAB	lab(22.45, 5.70, -25.78)
CIE-LCH	lch(22.45, 26.40, 282.48°)
OKLab	oklab(33.33% -0.0096 -0.0732)
OKLCH	oklch(33.33% 0.074 262.6)
XYZ	xyz(3.8314, 3.6419, 10.6242)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21355C #5C4821

analogous

#21535C #21355C #2B215C

triadic

#21355C #5C2135 #355C21

tetradic

#21355C #5C2153 #5C4821 #215C2B

square

#21355C #5C2153 #5C4821 #215C2B

split-complementary

#21355C #5C2B21 #535C21

monochromatic

#080D17 #111B2F #21355C #314F89 #4169B6

Accessibility & contrast

On white

12.15

#21355C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#21355C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21355C

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21355C	#FFFFFF	#000000	##FFFFFF
##21355C	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24395E

Deuteranopia (green-blind)

#1C335B

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #21355c;
/* rgb */ color: rgb(33, 53, 92);
/* oklch */ color: oklch(33.3% 0.074 262.6);

Tailwind

colors: {
  custom: {
    50: '#626b8a',
    500: '#21355c',
    950: '#000000',
  },
}

SCSS

$custom: #21355c;
$custom-light: #626b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#21355c",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 92
  },
  "hsl": {
    "h": 219.661,
    "s": 47.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33329,
    "c": 0.07384,
    "h": 262.6
  },
  "luminance": 0.03642
}

Semantic roles & 50–950 ramp

primary

#21355C

secondary

#907849

accent

#A951D7

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #21355C

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

Preview Lab → · Contrast checker → · Palette generator →