#001B24#001B24

#001B24 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.6% C 0.038 H 222.7°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#001B24
RGB	rgb(0, 27, 36)
HSL	hsl(195, 100%, 7%)
HSV	hsv(195, 100%, 14%)
CMYK	cmyk(100%, 25%, 0%, 85.9%)
CIE-LAB	lab(8.23, -6.37, -9.24)
CIE-LCH	lch(8.23, 11.23, 235.42°)
OKLab	oklab(20.61% -0.0281 -0.026)
OKLCH	oklch(20.61% 0.038 222.7)
XYZ	xyz(0.7102, 0.9111, 1.8072)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B24 #240900

analogous

#00241B #001B24 #000924

triadic

#001B24 #24001B #1B2400

tetradic

#001B24 #1B0024 #240900 #092400

square

#001B24 #1B0024 #240900 #092400

split-complementary

#001B24 #240009 #241B00

monochromatic

#00171F #00171F #001B24 #004961 #00779E

Accessibility & contrast

On white

17.76

#001B24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#001B24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B24

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B24	#FFFFFF	#000000	##FFFFFF
##001B24	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161A24

Deuteranopia (green-blind)

#111624

Tritanopia (blue-blind)

#001E1E

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #001b24;
/* rgb */ color: rgb(0, 27, 36);
/* oklch */ color: oklch(20.6% 0.038 222.7);

Tailwind

colors: {
  custom: {
    50: '#46575e',
    500: '#001b24',
    950: '#000000',
  },
}

SCSS

$custom: #001b24;
$custom-light: #46575e;
$custom-dark: #000000;

JSON

{
  "hex": "#001b24",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 36
  },
  "hsl": {
    "h": 195,
    "s": 100,
    "l": 7.059
  },
  "oklch": {
    "l": 0.20608,
    "c": 0.0383,
    "h": 222.7
  },
  "luminance": 0.00911
}

Semantic roles & 50–950 ramp

primary

#001B24

secondary

#6D2A13

accent

#5E29FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #001B24

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

Preview Lab → · Contrast checker → · Palette generator →