#151B18#151B18

#151B18 is a very dark, near-neutral teal. Relative luminance 0.010; OKLCH L 21.5% C 0.011 H 163.8°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#151B18
RGB	rgb(21, 27, 24)
HSL	hsl(150, 13%, 9%)
HSV	hsv(150, 22%, 11%)
CMYK	cmyk(22.2%, 0%, 11.1%, 89.4%)
CIE-LAB	lab(9.07, -3.62, 1.15)
CIE-LCH	lch(9.07, 3.80, 162.31°)
OKLab	oklab(21.48% -0.0103 0.003)
OKLCH	oklch(21.48% 0.011 163.8)
XYZ	xyz(0.8660, 1.0092, 1.0131)
Luminance	0.0101 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B18 #1B1518

analogous

#151B15 #151B18 #151B1B

triadic

#151B18 #18151B #1B1815

tetradic

#151B18 #15151B #1B1518 #1B1B15

square

#151B18 #15151B #1B1518 #1B1B15

split-complementary

#151B18 #1B151B #1B1515

monochromatic

#0D110F #0D110F #151B18 #303D37 #4B6055

Accessibility & contrast

On white

17.47

#151B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#151B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B18

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B18	#FFFFFF	#000000	##FFFFFF
##151B18	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1A18

Deuteranopia (green-blind)

#1A1918

Tritanopia (blue-blind)

#141B1A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #151b18;
/* rgb */ color: rgb(21, 27, 24);
/* oklch */ color: oklch(21.5% 0.011 163.8);

Tailwind

colors: {
  custom: {
    50: '#525754',
    500: '#151b18',
    950: '#000000',
  },
}

SCSS

$custom: #151b18;
$custom-light: #525754;
$custom-dark: #000000;

JSON

{
  "hex": "#151b18",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 24
  },
  "hsl": {
    "h": 150,
    "s": 12.5,
    "l": 9.412
  },
  "oklch": {
    "l": 0.21477,
    "c": 0.01071,
    "h": 163.8
  },
  "luminance": 0.01009
}

Semantic roles & 50–950 ramp

primary

#151B18

secondary

#4C4046

accent

#7294B5

background

#F4F5F4

surface

#E7E9E7

border

#C3C5C3

text

#020302

muted

#787878

Preview Lab

Preview with #151B18

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

Preview Lab → · Contrast checker → · Palette generator →