#001B25#001B25

#001B25 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.7% C 0.039 H 225.3°. Best body text is #FFFFFF at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#001B25
RGB	rgb(0, 27, 37)
HSL	hsl(196, 100%, 7%)
HSV	hsv(196, 100%, 15%)
CMYK	cmyk(100%, 27%, 0%, 85.5%)
CIE-LAB	lab(8.28, -5.97, -9.91)
CIE-LCH	lch(8.28, 11.57, 238.91°)
OKLab	oklab(20.67% -0.0276 -0.0279)
OKLCH	oklch(20.67% 0.039 225.3)
XYZ	xyz(0.7257, 0.9173, 1.8887)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B25 #250A00

analogous

#00251D #001B25 #000925

triadic

#001B25 #25001B #1B2500

tetradic

#001B25 #1D0025 #250A00 #092500

square

#001B25 #1D0025 #250A00 #092500

split-complementary

#001B25 #250009 #251D00

monochromatic

#00161F #00161F #001B25 #004862 #00749F

Accessibility & contrast

On white

17.75

#001B25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#001B25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B25

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B25	#FFFFFF	#000000	##FFFFFF
##001B25	1.00	17.75	1.18	17.75
#FFFFFF	17.75	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151A25

Deuteranopia (green-blind)

#101625

Tritanopia (blue-blind)

#001E1E

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #001b25;
/* rgb */ color: rgb(0, 27, 37);
/* oklch */ color: oklch(20.7% 0.039 225.3);

Tailwind

colors: {
  custom: {
    50: '#46575f',
    500: '#001b25',
    950: '#000000',
  },
}

SCSS

$custom: #001b25;
$custom-light: #46575f;
$custom-dark: #000000;

JSON

{
  "hex": "#001b25",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 37
  },
  "hsl": {
    "h": 196.216,
    "s": 100,
    "l": 7.255
  },
  "oklch": {
    "l": 0.2067,
    "c": 0.03927,
    "h": 225.3
  },
  "luminance": 0.00917
}

Semantic roles & 50–950 ramp

primary

#001B25

secondary

#6D2C13

accent

#6329FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #001B25

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

Preview Lab → · Contrast checker → · Palette generator →