#0A2A31#0A2A31

#0A2A31 is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.5% C 0.039 H 215.0°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX#0A2A31
RGBrgb(10, 42, 49)
HSLhsl(191, 66%, 12%)
HSVhsv(191, 80%, 19%)
CMYKcmyk(79.6%, 14.3%, 0%, 80.8%)
CIE-LABlab(15.18, -8.78, -7.96)
CIE-LCHlch(15.18, 11.85, 222.22°)
OKLaboklab(26.53% -0.0317 -0.0222)
OKLCHoklch(26.53% 0.039 215)
XYZxyz(1.5073, 1.9420, 3.2005)
Luminance0.0194 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A2A31 #31110A
analogous
#0A3125 #0A2A31 #0A1731
triadic
#0A2A31 #310A2A #2A310A
tetradic
#0A2A31 #250A31 #31110A #17310A
square
#0A2A31 #250A31 #31110A #17310A
split-complementary
#0A2A31 #310A17 #31250A
monochromatic
#051619 #051619 #0A2A31 #145664 #1F8197

Accessibility & contrast

On white

15.13
#0A2A31 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.39
#0A2A31 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A31
15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A2A31#FFFFFF#000000##FFFFFF
##0A2A311.0015.131.3915.13
#FFFFFF15.131.0021.001.00
#0000001.3921.001.0021.00
##FFFFFF15.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#252831
Deuteranopia (green-blind)
#1F2431
Tritanopia (blue-blind)
#002D2C
Achromatopsia (no color)
#262626

Design tokens & code

CSS
--color: #0a2a31;
/* rgb */ color: rgb(10, 42, 49);
/* oklch */ color: oklch(26.5% 0.039 215.0);
Tailwind
colors: {
  custom: {
    50: '#4f6369',
    500: '#0a2a31',
    950: '#000000',
  },
}
SCSS
$custom: #0a2a31;
$custom-light: #4f6369;
$custom-dark: #000000;
JSON
{
  "hex": "#0a2a31",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 49
  },
  "hsl": {
    "h": 190.769,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.26533,
    "c": 0.03868,
    "h": 215
  },
  "luminance": 0.01942
}

Semantic roles & 50–950 ramp

primary
#0A2A31
secondary
#6E3529
accent
#5D3FE9
background
#F4F5F6
surface
#E7EAEB
border
#C3C6C6
text
#020506
muted
#78797A

Preview Lab

Preview with #0A2A31

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

Preview Lab → · Contrast checker → · Palette generator →

#0A2A31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva