#0A3947#0A3947

#0A3947 is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.054 H 222.7°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX#0A3947
RGBrgb(10, 57, 71)
HSLhsl(194, 75%, 16%)
HSVhsv(194, 86%, 28%)
CMYKcmyk(85.9%, 19.7%, 0%, 72.2%)
CIE-LABlab(21.75, -9.66, -13.01)
CIE-LCHlch(21.75, 16.21, 233.40°)
OKLaboklab(32.14% -0.0395 -0.0365)
OKLCHoklch(32.14% 0.054 222.7)
XYZxyz(2.7252, 3.4454, 6.4814)
Luminance0.0345 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A3947 #47180A
analogous
#0A4736 #0A3947 #0A1A47
triadic
#0A3947 #470A39 #39470A
tetradic
#0A3947 #360A47 #47180A #1A470A
square
#0A3947 #360A47 #47180A #1A470A
split-complementary
#0A3947 #470A1A #47360A
monochromatic
#04161B #04161B #0A3947 #12647D #198FB2

Accessibility & contrast

On white

12.43
#0A3947 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#0A3947 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3947
12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A3947#FFFFFF#000000##FFFFFF
##0A39471.0012.431.6912.43
#FFFFFF12.431.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313748
Deuteranopia (green-blind)
#293247
Tritanopia (blue-blind)
#003D3E
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #0a3947;
/* rgb */ color: rgb(10, 57, 71);
/* oklch */ color: oklch(32.1% 0.054 222.7);
Tailwind
colors: {
  custom: {
    50: '#556f7a',
    500: '#0a3947',
    950: '#000000',
  },
}
SCSS
$custom: #0a3947;
$custom-light: #556f7a;
$custom-dark: #000000;
JSON
{
  "hex": "#0a3947",
  "rgb": {
    "r": 10,
    "g": 57,
    "b": 71
  },
  "hsl": {
    "h": 193.77,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.32142,
    "c": 0.05375,
    "h": 222.7
  },
  "luminance": 0.03446
}

Semantic roles & 50–950 ramp

primary
#0A3947
secondary
#843E29
accent
#6136F2
background
#F5F6F7
surface
#E9ECED
border
#C5C7C8
text
#030709
muted
#787A7B

Preview Lab

Preview with #0A3947

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

Preview Lab → · Contrast checker → · Palette generator →

#0A3947 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva