#21336E#21336E

#21336E is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.105 H 267.8°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#21336E
RGB	rgb(33, 51, 110)
HSL	hsl(226, 54%, 28%)
HSV	hsv(226, 70%, 43%)
CMYK	cmyk(70%, 53.6%, 0%, 56.9%)
CIE-LAB	lab(23.05, 14.20, -36.51)
CIE-LCH	lch(23.05, 39.17, 291.25°)
OKLab	oklab(34.19% -0.0041 -0.1048)
OKLCH	oklch(34.19% 0.105 267.8)
XYZ	xyz(4.6245, 3.8163, 15.2417)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21336E #6E5C21

analogous

#21596E #21336E #35216E

triadic

#21336E #6E2133 #336E21

tetradic

#21336E #6E2159 #6E5C21 #216E35

square

#21336E #6E2159 #6E5C21 #216E35

split-complementary

#21336E #6E3521 #596E21

monochromatic

#070B18 #131D3F #21336E #2F499D #4362C7

Accessibility & contrast

On white

11.91

#21336E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#21336E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21336E

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21336E	#FFFFFF	#000000	##FFFFFF
##21336E	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103B70

Deuteranopia (green-blind)

#00346D

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21336e;
/* rgb */ color: rgb(33, 51, 110);
/* oklch */ color: oklch(34.2% 0.105 267.8);

Tailwind

colors: {
  custom: {
    50: '#666a98',
    500: '#21336e',
    950: '#000000',
  },
}

SCSS

$custom: #21336e;
$custom-light: #666a98;
$custom-dark: #000000;

JSON

{
  "hex": "#21336e",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 110
  },
  "hsl": {
    "h": 225.974,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34186,
    "c": 0.10485,
    "h": 267.8
  },
  "luminance": 0.03817
}

Semantic roles & 50–950 ramp

primary

#21336E

secondary

#A28D49

accent

#BB4BDD

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #21336E

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

Preview Lab → · Contrast checker → · Palette generator →