#021C23#021C23

#021C23 is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.0% C 0.035 H 218.3°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#021C23
RGB	rgb(2, 28, 35)
HSL	hsl(193, 89%, 7%)
HSV	hsv(193, 94%, 14%)
CMYK	cmyk(94.3%, 20%, 0%, 86.3%)
CIE-LAB	lab(8.69, -7.02, -7.77)
CIE-LCH	lch(8.69, 10.47, 227.92°)
OKLab	oklab(21% -0.0275 -0.0217)
OKLCH	oklch(21% 0.035 218.3)
XYZ	xyz(0.7435, 0.9647, 1.7368)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021C23 #230902

analogous

#02231A #021C23 #020C23

triadic

#021C23 #23021C #1C2302

tetradic

#021C23 #1A0223 #230902 #0C2302

square

#021C23 #1A0223 #230902 #0C2302

split-complementary

#021C23 #23020C #231A02

monochromatic

#02171D #02171D #021C23 #054A5D #097997

Accessibility & contrast

On white

17.60

#021C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#021C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021C23

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021C23	#FFFFFF	#000000	##FFFFFF
##021C23	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181B23

Deuteranopia (green-blind)

#131723

Tritanopia (blue-blind)

#001E1E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #021c23;
/* rgb */ color: rgb(2, 28, 35);
/* oklch */ color: oklch(21.0% 0.035 218.3);

Tailwind

colors: {
  custom: {
    50: '#47585d',
    500: '#021c23',
    950: '#000000',
  },
}

SCSS

$custom: #021c23;
$custom-light: #47585d;
$custom-dark: #000000;

JSON

{
  "hex": "#021c23",
  "rgb": {
    "r": 2,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 192.727,
    "s": 89.189,
    "l": 7.255
  },
  "oklch": {
    "l": 0.20998,
    "c": 0.03509,
    "h": 218.3
  },
  "luminance": 0.00965
}

Semantic roles & 50–950 ramp

primary

#021C23

secondary

#692918

accent

#5629FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #021C23

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

Preview Lab → · Contrast checker → · Palette generator →