#121C1E#121C1E

#121C1E is a very dark, near-neutral cyan. Relative luminance 0.011; OKLCH L 21.8% C 0.015 H 211.3°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#121C1E
RGB	rgb(18, 28, 30)
HSL	hsl(190, 25%, 9%)
HSV	hsv(190, 40%, 12%)
CMYK	cmyk(40%, 6.7%, 0%, 88.2%)
CIE-LAB	lab(9.42, -3.84, -2.84)
CIE-LCH	lch(9.42, 4.78, 216.46°)
OKLab	oklab(21.77% -0.0127 -0.0077)
OKLCH	oklch(21.77% 0.015 211.3)
XYZ	xyz(0.8990, 1.0528, 1.3839)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C1E #1E1412

analogous

#121E1A #121C1E #12161E

triadic

#121C1E #1E121C #1C1E12

tetradic

#121C1E #1A121E #1E1412 #161E12

square

#121C1E #1A121E #1E1412 #161E12

split-complementary

#121C1E #1E1216 #1E1A12

monochromatic

#0B1213 #0B1213 #121C1E #294044 #40636B

Accessibility & contrast

On white

17.35

#121C1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#121C1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C1E

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C1E	#FFFFFF	#000000	##FFFFFF
##121C1E	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1B1E

Deuteranopia (green-blind)

#181A1E

Tritanopia (blue-blind)

#0E1D1D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #121c1e;
/* rgb */ color: rgb(18, 28, 30);
/* oklch */ color: oklch(21.8% 0.015 211.3);

Tailwind

colors: {
  custom: {
    50: '#505859',
    500: '#121c1e',
    950: '#000000',
  },
}

SCSS

$custom: #121c1e;
$custom-light: #505859;
$custom-dark: #000000;

JSON

{
  "hex": "#121c1e",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 30
  },
  "hsl": {
    "h": 190,
    "s": 25,
    "l": 9.412
  },
  "oklch": {
    "l": 0.21769,
    "c": 0.01492,
    "h": 211.3
  },
  "luminance": 0.01053
}

Semantic roles & 50–950 ramp

primary

#121C1E

secondary

#523E3A

accent

#7666C1

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#020303

muted

#787878

Preview Lab

Preview with #121C1E

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

Preview Lab → · Contrast checker → · Palette generator →