#001D23#001D23

#001D23 is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.2% C 0.037 H 213.4°. Best body text is #FFFFFF at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#001D23
RGB	rgb(0, 29, 35)
HSL	hsl(190, 100%, 7%)
HSV	hsv(190, 100%, 14%)
CMYK	cmyk(100%, 17.1%, 0%, 86.3%)
CIE-LAB	lab(8.99, -8.34, -7.32)
CIE-LCH	lch(8.99, 11.10, 221.30°)
OKLab	oklab(21.21% -0.031 -0.0205)
OKLCH	oklch(21.21% 0.037 213.4)
XYZ	xyz(0.7426, 1.0000, 1.7437)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001D23 #230600

analogous

#002318 #001D23 #000C23

triadic

#001D23 #23001D #1D2300

tetradic

#001D23 #180023 #230600 #0C2300

square

#001D23 #180023 #230600 #0C2300

split-complementary

#001D23 #23000C #231800

monochromatic

#00191F #00191F #001D23 #005060 #00829D

Accessibility & contrast

On white

17.50

#001D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#001D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001D23

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001D23	#FFFFFF	#000000	##FFFFFF
##001D23	1.00	17.50	1.20	17.50
#FFFFFF	17.50	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191C23

Deuteranopia (green-blind)

#131823

Tritanopia (blue-blind)

#001F1F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #001d23;
/* rgb */ color: rgb(0, 29, 35);
/* oklch */ color: oklch(21.2% 0.037 213.4);

Tailwind

colors: {
  custom: {
    50: '#46595d',
    500: '#001d23',
    950: '#000000',
  },
}

SCSS

$custom: #001d23;
$custom-light: #46595d;
$custom-dark: #000000;

JSON

{
  "hex": "#001d23",
  "rgb": {
    "r": 0,
    "g": 29,
    "b": 35
  },
  "hsl": {
    "h": 190.286,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.21206,
    "c": 0.03718,
    "h": 213.4
  },
  "luminance": 0.01
}

Semantic roles & 50–950 ramp

primary

#001D23

secondary

#6C2213

accent

#4E29FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #001D23

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

Preview Lab → · Contrast checker → · Palette generator →