#15212D#15212D

#15212D is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.3% C 0.029 H 249.1°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX#15212D
RGBrgb(21, 33, 45)
HSLhsl(210, 36%, 13%)
HSVhsv(210, 53%, 18%)
CMYKcmyk(53.3%, 26.7%, 0%, 82.4%)
CIE-LABlab(12.20, -1.16, -9.63)
CIE-LCHlch(12.20, 9.70, 263.12°)
OKLaboklab(24.25% -0.0102 -0.0267)
OKLCHoklch(24.25% 0.029 249.1)
XYZxyz(1.3266, 1.4365, 2.6895)
Luminance0.0144 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15212D #2D2115
analogous
#152D2D #15212D #15152D
triadic
#15212D #2D1521 #212D15
tetradic
#15212D #2D152D #2D2115 #152D15
square
#15212D #2D152D #2D2115 #152D15
split-complementary
#15212D #2D1515 #2D2D15
monochromatic
#0A0F15 #0A0F15 #15212D #284057 #3C5E80

Accessibility & contrast

On white

16.31
#15212D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#15212D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15212D
16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15212D#FFFFFF#000000##FFFFFF
##15212D1.0016.311.2916.31
#FFFFFF16.311.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C212E
Deuteranopia (green-blind)
#191F2D
Tritanopia (blue-blind)
#0C2425
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #15212d;
/* rgb */ color: rgb(21, 33, 45);
/* oklch */ color: oklch(24.3% 0.029 249.1);
Tailwind
colors: {
  custom: {
    50: '#545c65',
    500: '#15212d',
    950: '#000000',
  },
}
SCSS
$custom: #15212d;
$custom-light: #545c65;
$custom-dark: #000000;
JSON
{
  "hex": "#15212d",
  "rgb": {
    "r": 21,
    "g": 33,
    "b": 45
  },
  "hsl": {
    "h": 210,
    "s": 36.364,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24251,
    "c": 0.02864,
    "h": 249.1
  },
  "luminance": 0.01437
}

Semantic roles & 50–950 ramp

primary
#15212D
secondary
#634F3B
accent
#945BCC
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#020405
muted
#78797A

Preview Lab

Preview with #15212D

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

Preview Lab → · Contrast checker → · Palette generator →

#15212D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva