#152121#152121

#152121 is a very dark, near-neutral teal. Relative luminance 0.014; OKLCH L 23.7% C 0.017 H 196.1°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX#152121
RGBrgb(21, 33, 33)
HSLhsl(180, 22%, 11%)
HSVhsv(180, 36%, 13%)
CMYKcmyk(36.4%, 0%, 0%, 87.1%)
CIE-LABlab(11.67, -5.22, -1.70)
CIE-LCHlch(11.67, 5.49, 198.02°)
OKLaboklab(23.66% -0.0162 -0.0047)
OKLCHoklch(23.66% 0.017 196.1)
XYZxyz(1.1275, 1.3569, 1.6410)
Luminance0.0136 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#152121 #211515
analogous
#15211B #152121 #151B21
triadic
#152121 #211521 #212115
tetradic
#152121 #1B1521 #211515 #1B2115
square
#152121 #1B1521 #211515 #1B2115
split-complementary
#152121 #21151B #211B15
monochromatic
#0C1313 #0C1313 #152121 #2D4646 #456C6C

Accessibility & contrast

On white

16.52
#152121 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#152121 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152121
16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##152121#FFFFFF#000000##FFFFFF
##1521211.0016.521.2716.52
#FFFFFF16.521.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F2021
Deuteranopia (green-blind)
#1D1E21
Tritanopia (blue-blind)
#112221
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #152121;
/* rgb */ color: rgb(21, 33, 33);
/* oklch */ color: oklch(23.7% 0.017 196.1);
Tailwind
colors: {
  custom: {
    50: '#525c5c',
    500: '#152121',
    950: '#000000',
  },
}
SCSS
$custom: #152121;
$custom-light: #525c5c;
$custom-dark: #000000;
JSON
{
  "hex": "#152121",
  "rgb": {
    "r": 21,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 180,
    "s": 22.222,
    "l": 10.588
  },
  "oklch": {
    "l": 0.23655,
    "c": 0.01682,
    "h": 196.1
  },
  "luminance": 0.01357
}

Semantic roles & 50–950 ramp

primary
#152121
secondary
#543E3E
accent
#6969BF
background
#F4F5F5
surface
#E7E9E9
border
#C3C5C5
text
#020404
muted
#787979

Preview Lab

Preview with #152121

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

Preview Lab → · Contrast checker → · Palette generator →

#152121 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva