#21376F#21376F

#21376F is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.2% C 0.101 H 265.4°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#21376F
RGB	rgb(33, 55, 111)
HSL	hsl(223, 54%, 28%)
HSV	hsv(223, 70%, 44%)
CMYK	cmyk(70.3%, 50.5%, 0%, 56.5%)
CIE-LAB	lab(24.33, 11.76, -35.10)
CIE-LCH	lch(24.33, 37.01, 288.53°)
OKLab	oklab(35.18% -0.0081 -0.1005)
OKLCH	oklch(35.18% 0.101 265.4)
XYZ	xyz(4.8616, 4.2029, 15.5909)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21376F #6F5921

analogous

#215E6F #21376F #32216F

triadic

#21376F #6F2137 #376F21

tetradic

#21376F #6F215E #6F5921 #216F32

square

#21376F #6F215E #6F5921 #216F32

split-complementary

#21376F #6F3221 #5E6F21

monochromatic

#070C18 #132040 #21376F #2F4E9E #4368C7

Accessibility & contrast

On white

11.41

#21376F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#21376F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21376F

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21376F	#FFFFFF	#000000	##FFFFFF
##21376F	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193E71

Deuteranopia (green-blind)

#07366E

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #21376f;
/* rgb */ color: rgb(33, 55, 111);
/* oklch */ color: oklch(35.2% 0.101 265.4);

Tailwind

colors: {
  custom: {
    50: '#666d99',
    500: '#21376f',
    950: '#000000',
  },
}

SCSS

$custom: #21376f;
$custom-light: #666d99;
$custom-dark: #000000;

JSON

{
  "hex": "#21376f",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 111
  },
  "hsl": {
    "h": 223.077,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35181,
    "c": 0.10086,
    "h": 265.4
  },
  "luminance": 0.04203
}

Semantic roles & 50–950 ramp

primary

#21376F

secondary

#A38949

accent

#B44ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #21376F

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

Preview Lab → · Contrast checker → · Palette generator →