#0A3D43#0A3D43

#0A3D43 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.052 H 206.8°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX#0A3D43
RGBrgb(10, 61, 67)
HSLhsl(186, 74%, 15%)
HSVhsv(186, 85%, 26%)
CMYKcmyk(85.1%, 9%, 0%, 73.7%)
CIE-LABlab(23.02, -13.66, -8.38)
CIE-LCHlch(23.02, 16.03, 211.55°)
OKLaboklab(33.11% -0.0461 -0.0233)
OKLCHoklch(33.11% 0.052 206.8)
XYZxyz(2.8066, 3.8069, 5.8960)
Luminance0.0381 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A3D43 #43100A
analogous
#0A432D #0A3D43 #0A2043
triadic
#0A3D43 #430A3D #3D430A
tetradic
#0A3D43 #2D0A43 #43100A #20430A
square
#0A3D43 #2D0A43 #43100A #20430A
split-complementary
#0A3D43 #430A20 #432D0A
monochromatic
#04181B #04181B #0A3D43 #126D78 #1A9EAE

Accessibility & contrast

On white

11.92
#0A3D43 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.76
#0A3D43 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3D43
11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A3D43#FFFFFF#000000##FFFFFF
##0A3D431.0011.921.7611.92
#FFFFFF11.921.0021.001.00
#0000001.7621.001.0021.00
##FFFFFF11.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#373A43
Deuteranopia (green-blind)
#2F3443
Tritanopia (blue-blind)
#00403F
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #0a3d43;
/* rgb */ color: rgb(10, 61, 67);
/* oklch */ color: oklch(33.1% 0.052 206.8);
Tailwind
colors: {
  custom: {
    50: '#557277',
    500: '#0a3d43',
    950: '#000000',
  },
}
SCSS
$custom: #0a3d43;
$custom-light: #557277;
$custom-dark: #000000;
JSON
{
  "hex": "#0a3d43",
  "rgb": {
    "r": 10,
    "g": 61,
    "b": 67
  },
  "hsl": {
    "h": 186.316,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.33112,
    "c": 0.05166,
    "h": 206.8
  },
  "luminance": 0.03807
}

Semantic roles & 50–950 ramp

primary
#0A3D43
secondary
#803229
accent
#4B37F1
background
#F5F6F7
surface
#E9ECED
border
#C5C7C8
text
#030808
muted
#787B7B

Preview Lab

Preview with #0A3D43

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

Preview Lab → · Contrast checker → · Palette generator →

#0A3D43 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva