#011C23#011C23

#011C23 is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 20.9% C 0.036 H 217.5°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#011C23
RGB	rgb(1, 28, 35)
HSL	hsl(192, 94%, 7%)
HSV	hsv(192, 97%, 14%)
CMYK	cmyk(97.1%, 20%, 0%, 86.3%)
CIE-LAB	lab(8.64, -7.29, -7.86)
CIE-LCH	lch(8.64, 10.72, 227.16°)
OKLab	oklab(20.94% -0.0287 -0.022)
OKLCH	oklch(20.94% 0.036 217.5)
XYZ	xyz(0.7310, 0.9582, 1.7362)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011C23 #230801

analogous

#012319 #011C23 #010B23

triadic

#011C23 #23011C #1C2301

tetradic

#011C23 #190123 #230801 #0B2301

square

#011C23 #190123 #230801 #0B2301

split-complementary

#011C23 #23010B #231901

monochromatic

#01181E #01181E #011C23 #034C5F #047B9A

Accessibility & contrast

On white

17.62

#011C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#011C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011C23

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011C23	#FFFFFF	#000000	##FFFFFF
##011C23	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171B23

Deuteranopia (green-blind)

#121723

Tritanopia (blue-blind)

#001E1E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #011c23;
/* rgb */ color: rgb(1, 28, 35);
/* oklch */ color: oklch(20.9% 0.036 217.5);

Tailwind

colors: {
  custom: {
    50: '#47585d',
    500: '#011c23',
    950: '#000000',
  },
}

SCSS

$custom: #011c23;
$custom-light: #47585d;
$custom-dark: #000000;

JSON

{
  "hex": "#011c23",
  "rgb": {
    "r": 1,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 192.353,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.20937,
    "c": 0.03615,
    "h": 217.5
  },
  "luminance": 0.00958
}

Semantic roles & 50–950 ramp

primary

#011C23

secondary

#6A2716

accent

#5529FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #011C23

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

Preview Lab → · Contrast checker → · Palette generator →