#21336D#21336D

#21336D is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.103 H 267.7°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#21336D
RGB	rgb(33, 51, 109)
HSL	hsl(226, 54%, 28%)
HSV	hsv(226, 70%, 43%)
CMYK	cmyk(69.7%, 53.2%, 0%, 57.3%)
CIE-LAB	lab(22.98, 13.80, -35.99)
CIE-LCH	lch(22.98, 38.54, 290.98°)
OKLab	oklab(34.11% -0.0042 -0.1032)
OKLCH	oklch(34.11% 0.103 267.7)
XYZ	xyz(4.5704, 3.7947, 14.9566)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21336D #6D5B21

analogous

#21596D #21336D #35216D

triadic

#21336D #6D2133 #336D21

tetradic

#21336D #6D2159 #6D5B21 #216D35

square

#21336D #6D2159 #6D5B21 #216D35

split-complementary

#21336D #6D3521 #596D21

monochromatic

#070B17 #131D3E #21336D #2F499C #4262C6

Accessibility & contrast

On white

11.94

#21336D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#21336D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21336D

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21336D	#FFFFFF	#000000	##FFFFFF
##21336D	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123A6F

Deuteranopia (green-blind)

#00346C

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21336d;
/* rgb */ color: rgb(33, 51, 109);
/* oklch */ color: oklch(34.1% 0.103 267.7);

Tailwind

colors: {
  custom: {
    50: '#666a97',
    500: '#21336d',
    950: '#000000',
  },
}

SCSS

$custom: #21336d;
$custom-light: #666a97;
$custom-dark: #000000;

JSON

{
  "hex": "#21336d",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 109
  },
  "hsl": {
    "h": 225.789,
    "s": 53.521,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34107,
    "c": 0.10332,
    "h": 267.7
  },
  "luminance": 0.03795
}

Semantic roles & 50–950 ramp

primary

#21336D

secondary

#A18C49

accent

#BA4BDD

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #21336D

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

Preview Lab → · Contrast checker → · Palette generator →