#0A282C#0A282C

#0A282C is a dark, muted teal. Relative luminance 0.018; OKLCH L 25.7% C 0.036 H 207.4°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX#0A282C
RGBrgb(10, 40, 44)
HSLhsl(187, 63%, 11%)
HSVhsv(187, 77%, 17%)
CMYKcmyk(77.3%, 9.1%, 0%, 82.7%)
CIE-LABlab(14.20, -9.41, -5.92)
CIE-LCHlch(14.20, 11.12, 212.15°)
OKLaboklab(25.67% -0.0316 -0.0164)
OKLCHoklch(25.67% 0.036 207.4)
XYZxyz(1.3384, 1.7638, 2.6523)
Luminance0.0176 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A282C #2C0E0A
analogous
#0A2C1F #0A282C #0A172C
triadic
#0A282C #2C0A28 #282C0A
tetradic
#0A282C #1F0A2C #2C0E0A #172C0A
square
#0A282C #1F0A2C #2C0E0A #172C0A
split-complementary
#0A282C #2C0A17 #2C1F0A
monochromatic
#061719 #061719 #0A282C #15555E #218390

Accessibility & contrast

On white

15.52
#0A282C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.35
#0A282C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A282C
15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A282C#FFFFFF#000000##FFFFFF
##0A282C1.0015.521.3515.52
#FFFFFF15.521.0021.001.00
#0000001.3521.001.0021.00
##FFFFFF15.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#24262C
Deuteranopia (green-blind)
#1F222C
Tritanopia (blue-blind)
#002A29
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #0a282c;
/* rgb */ color: rgb(10, 40, 44);
/* oklch */ color: oklch(25.7% 0.036 207.4);
Tailwind
colors: {
  custom: {
    50: '#4e6265',
    500: '#0a282c',
    950: '#000000',
  },
}
SCSS
$custom: #0a282c;
$custom-light: #4e6265;
$custom-dark: #000000;
JSON
{
  "hex": "#0a282c",
  "rgb": {
    "r": 10,
    "g": 40,
    "b": 44
  },
  "hsl": {
    "h": 187.059,
    "s": 62.963,
    "l": 10.588
  },
  "oklch": {
    "l": 0.25667,
    "c": 0.03564,
    "h": 207.4
  },
  "luminance": 0.01764
}

Semantic roles & 50–950 ramp

primary
#0A282C
secondary
#693029
accent
#5542E6
background
#F4F5F6
surface
#E7EAEB
border
#C3C6C6
text
#020505
muted
#78797A

Preview Lab

Preview with #0A282C

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

Preview Lab → · Contrast checker → · Palette generator →

#0A282C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva