#121C18#121C18

#121C18 is a very dark, near-neutral teal. Relative luminance 0.010; OKLCH L 21.5% C 0.017 H 168.2°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#121C18
RGB	rgb(18, 28, 24)
HSL	hsl(156, 22%, 9%)
HSV	hsv(156, 36%, 11%)
CMYK	cmyk(35.7%, 0%, 14.3%, 89%)
CIE-LAB	lab(9.20, -5.67, 1.31)
CIE-LCH	lch(9.20, 5.82, 166.98°)
OKLab	oklab(21.52% -0.0162 0.0034)
OKLCH	oklch(21.52% 0.017 168.2)
XYZ	xyz(0.8295, 1.0250, 1.0181)
Luminance	0.0103 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C18 #1C1216

analogous

#121C13 #121C18 #121B1C

triadic

#121C18 #18121C #1C1812

tetradic

#121C18 #13121C #1C1216 #1B1C12

square

#121C18 #13121C #1C1216 #1B1C12

split-complementary

#121C18 #1C121B #1C1312

monochromatic

#0C1310 #0C1310 #121C18 #2A4138 #426758

Accessibility & contrast

On white

17.43

#121C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#121C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C18

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C18	#FFFFFF	#000000	##FFFFFF
##121C18	1.00	17.43	1.21	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1B18

Deuteranopia (green-blind)

#1A1918

Tritanopia (blue-blind)

#101C1B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #121c18;
/* rgb */ color: rgb(18, 28, 24);
/* oklch */ color: oklch(21.5% 0.017 168.2);

Tailwind

colors: {
  custom: {
    50: '#4f5854',
    500: '#121c18',
    950: '#000000',
  },
}

SCSS

$custom: #121c18;
$custom-light: #4f5854;
$custom-dark: #000000;

JSON

{
  "hex": "#121c18",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 24
  },
  "hsl": {
    "h": 156,
    "s": 21.739,
    "l": 9.02
  },
  "oklch": {
    "l": 0.21515,
    "c": 0.01651,
    "h": 168.2
  },
  "luminance": 0.01025
}

Semantic roles & 50–950 ramp

primary

#121C18

secondary

#4F3A43

accent

#6A8BBE

background

#F4F5F4

surface

#E7E9E7

border

#C3C5C3

text

#020302

muted

#787878

Preview Lab

Preview with #121C18

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

Preview Lab → · Contrast checker → · Palette generator →