#0A4243#0A4243

#0A4243 is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.6% C 0.054 H 196.8°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX#0A4243
RGBrgb(10, 66, 67)
HSLhsl(181, 74%, 15%)
HSVhsv(181, 85%, 26%)
CMYKcmyk(85.1%, 1.5%, 0%, 73.7%)
CIE-LABlab(24.85, -16.55, -5.64)
CIE-LCHlch(24.85, 17.48, 198.81°)
OKLaboklab(34.59% -0.052 -0.0157)
OKLCHoklch(34.59% 0.054 196.8)
XYZxyz(3.0860, 4.3658, 5.9891)
Luminance0.0437 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A4243 #430B0A
analogous
#0A4328 #0A4243 #0A2543
triadic
#0A4243 #430A42 #42430A
tetradic
#0A4243 #280A43 #430B0A #25430A
square
#0A4243 #280A43 #430B0A #25430A
split-complementary
#0A4243 #430A25 #43280A
monochromatic
#041A1B #041A1B #0A4243 #127678 #1AABAE

Accessibility & contrast

On white

11.21
#0A4243 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#0A4243 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A4243
11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A4243#FFFFFF#000000##FFFFFF
##0A42431.0011.211.8711.21
#FFFFFF11.211.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D3E43
Deuteranopia (green-blind)
#353843
Tritanopia (blue-blind)
#004542
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #0a4243;
/* rgb */ color: rgb(10, 66, 67);
/* oklch */ color: oklch(34.6% 0.054 196.8);
Tailwind
colors: {
  custom: {
    50: '#567677',
    500: '#0a4243',
    950: '#000000',
  },
}
SCSS
$custom: #0a4243;
$custom-light: #567677;
$custom-dark: #000000;
JSON
{
  "hex": "#0a4243",
  "rgb": {
    "r": 10,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 181.053,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34589,
    "c": 0.05429,
    "h": 196.8
  },
  "luminance": 0.04366
}

Semantic roles & 50–950 ramp

primary
#0A4243
secondary
#802A29
accent
#3A37F1
background
#F5F7F7
surface
#E9EDED
border
#C5C8C8
text
#030808
muted
#787B7B

Preview Lab

Preview with #0A4243

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

Preview Lab → · Contrast checker → · Palette generator →

#0A4243 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva