#21355E#21355E

#21355E is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.5% C 0.077 H 263.2°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#21355E
RGB	rgb(33, 53, 94)
HSL	hsl(220, 48%, 25%)
HSV	hsv(220, 65%, 37%)
CMYK	cmyk(64.9%, 43.6%, 0%, 63.1%)
CIE-LAB	lab(22.57, 6.48, -26.89)
CIE-LCH	lch(22.57, 27.66, 283.55°)
OKLab	oklab(33.47% -0.0091 -0.0765)
OKLCH	oklch(33.47% 0.077 263.2)
XYZ	xyz(3.9200, 3.6774, 11.0907)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21355E #5E4A21

analogous

#21535E #21355E #2C215E

triadic

#21355E #5E2135 #355E21

tetradic

#21355E #5E2153 #5E4A21 #215E2C

square

#21355E #5E2153 #5E4A21 #215E2C

split-complementary

#21355E #5E2C21 #535E21

monochromatic

#080D17 #111B31 #21355E #314F8B #4168B9

Accessibility & contrast

On white

12.10

#21355E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#21355E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21355E

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21355E	#FFFFFF	#000000	##FFFFFF
##21355E	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233960

Deuteranopia (green-blind)

#1B335D

Tritanopia (blue-blind)

#003E45

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #21355e;
/* rgb */ color: rgb(33, 53, 94);
/* oklch */ color: oklch(33.5% 0.077 263.2);

Tailwind

colors: {
  custom: {
    50: '#636b8c',
    500: '#21355e',
    950: '#000000',
  },
}

SCSS

$custom: #21355e;
$custom-light: #636b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#21355e",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 94
  },
  "hsl": {
    "h": 220.328,
    "s": 48.031,
    "l": 24.902
  },
  "oklch": {
    "l": 0.33466,
    "c": 0.07702,
    "h": 263.2
  },
  "luminance": 0.03678
}

Semantic roles & 50–950 ramp

primary

#21355E

secondary

#927A49

accent

#AB50D8

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #21355E

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

Preview Lab → · Contrast checker → · Palette generator →