#21212E#21212E

#21212E is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.4% C 0.024 H 284.5°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#21212E
RGB	rgb(33, 33, 46)
HSL	hsl(240, 16%, 15%)
HSV	hsv(240, 28%, 18%)
CMYK	cmyk(28.3%, 28.3%, 0%, 82%)
CIE-LAB	lab(13.28, 3.62, -8.60)
CIE-LCH	lch(13.28, 9.33, 292.85°)
OKLab	oklab(25.38% 0.0061 -0.0236)
OKLCH	oklch(25.38% 0.024 284.5)
XYZ	xyz(1.6641, 1.6083, 2.8070)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21212E #2E2E21

analogous

#21272E #21212E #27212E

triadic

#21212E #2E2121 #212E21

tetradic

#21212E #2E2127 #2E2E21 #212E27

square

#21212E #2E2127 #2E2E21 #212E27

split-complementary

#21212E #2E2721 #272E21

monochromatic

#0D0D12 #0D0D12 #21212E #3B3B52 #545475

Accessibility & contrast

On white

15.89

#21212E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#21212E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21212E

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21212E	#FFFFFF	#000000	##FFFFFF
##21212E	1.00	15.89	1.32	15.89
#FFFFFF	15.89	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E232F

Deuteranopia (green-blind)

#1D222E

Tritanopia (blue-blind)

#1E2325

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #21212e;
/* rgb */ color: rgb(33, 33, 46);
/* oklch */ color: oklch(25.4% 0.024 284.5);

Tailwind

colors: {
  custom: {
    50: '#5c5c66',
    500: '#21212e',
    950: '#000000',
  },
}

SCSS

$custom: #21212e;
$custom-light: #5c5c66;
$custom-dark: #000000;

JSON

{
  "hex": "#21212e",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 46
  },
  "hsl": {
    "h": 240,
    "s": 16.456,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25377,
    "c": 0.0244,
    "h": 284.5
  },
  "luminance": 0.01608
}

Semantic roles & 50–950 ramp

primary

#21212E

secondary

#5F5F4C

accent

#B96FB9

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#040406

muted

#79797A

Preview Lab

Preview with #21212E

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

Preview Lab → · Contrast checker → · Palette generator →