#000F21#000F21

#000F21 is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 16.5% C 0.046 H 249.1°. Best body text is #FFFFFF at 19.26:1 contrast (WCAG AA passes).

Color values

HEX#000F21
RGBrgb(0, 15, 33)
HSLhsl(213, 100%, 6%)
HSVhsv(213, 100%, 13%)
CMYKcmyk(100%, 54.5%, 0%, 87.1%)
CIE-LABlab(4.08, 0.66, -13.35)
CIE-LCHlch(4.08, 13.37, 272.84°)
OKLaboklab(16.52% -0.0163 -0.0428)
OKLCHoklch(16.52% 0.046 249.1)
XYZxyz(0.4452, 0.4514, 1.5022)
Luminance0.0045 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#000F21 #211200
analogous
#002021 #000F21 #010021
triadic
#000F21 #21000F #0F2100
tetradic
#000F21 #210020 #211200 #002101
square
#000F21 #210020 #211200 #002101
split-complementary
#000F21 #210100 #202100
monochromatic
#000E1F #000E1F #000F21 #002B5E #00479B

Accessibility & contrast

On white

19.26
#000F21 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.09
#000F21 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000F21
19.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##000F21#FFFFFF#000000##FFFFFF
##000F211.0019.261.0919.26
#FFFFFF19.261.0021.001.00
#0000001.0921.001.0021.00
##FFFFFF19.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#061022
Deuteranopia (green-blind)
#020D21
Tritanopia (blue-blind)
#001316
Achromatopsia (no color)
#0E0E0E

Design tokens & code

CSS
--color: #000f21;
/* rgb */ color: rgb(0, 15, 33);
/* oklch */ color: oklch(16.5% 0.046 249.1);
Tailwind
colors: {
  custom: {
    50: '#464e5c',
    500: '#000f21',
    950: '#000000',
  },
}
SCSS
$custom: #000f21;
$custom-light: #464e5c;
$custom-dark: #000000;
JSON
{
  "hex": "#000f21",
  "rgb": {
    "r": 0,
    "g": 15,
    "b": 33
  },
  "hsl": {
    "h": 212.727,
    "s": 100,
    "l": 6.471
  },
  "oklch": {
    "l": 0.16523,
    "c": 0.04576,
    "h": 249.1
  },
  "luminance": 0.00451
}

Semantic roles & 50–950 ramp

primary
#000F21
secondary
#6A4213
accent
#9E29FF
background
#F3F4F5
surface
#E5E7E9
border
#C1C3C5
text
#000104
muted
#767779

Preview Lab

Preview with #000F21

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

Preview Lab → · Contrast checker → · Palette generator →

#000F21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva