#0A2A38#0A2A38

#0A2A38 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.9% C 0.045 H 230.7°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX#0A2A38
RGBrgb(10, 42, 56)
HSLhsl(198, 70%, 13%)
HSVhsv(198, 82%, 22%)
CMYKcmyk(82.1%, 25%, 0%, 78%)
CIE-LABlab(15.52, -5.95, -12.37)
CIE-LCHlch(15.52, 13.72, 244.30°)
OKLaboklab(26.92% -0.0284 -0.0347)
OKLCHoklch(26.92% 0.045 230.7)
XYZxyz(1.6667, 2.0058, 4.0399)
Luminance0.0201 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A2A38 #38180A
analogous
#0A382F #0A2A38 #0A1338
triadic
#0A2A38 #380A2A #2A380A
tetradic
#0A2A38 #2F0A38 #38180A #13380A
square
#0A2A38 #2F0A38 #38180A #13380A
split-complementary
#0A2A38 #380A13 #382F0A
monochromatic
#05131A #05131A #0A2A38 #13516C #1D78A0

Accessibility & contrast

On white

14.99
#0A2A38 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.40
#0A2A38 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A38
14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A2A38#FFFFFF#000000##FFFFFF
##0A2A381.0014.991.4014.99
#FFFFFF14.991.0021.001.00
#0000001.4021.001.0021.00
##FFFFFF14.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#232939
Deuteranopia (green-blind)
#1D2538
Tritanopia (blue-blind)
#002E2F
Achromatopsia (no color)
#272727

Design tokens & code

CSS
--color: #0a2a38;
/* rgb */ color: rgb(10, 42, 56);
/* oklch */ color: oklch(26.9% 0.045 230.7);
Tailwind
colors: {
  custom: {
    50: '#50636e',
    500: '#0a2a38',
    950: '#000000',
  },
}
SCSS
$custom: #0a2a38;
$custom-light: #50636e;
$custom-dark: #000000;
JSON
{
  "hex": "#0a2a38",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 56
  },
  "hsl": {
    "h": 198.261,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.26915,
    "c": 0.04481,
    "h": 230.7
  },
  "luminance": 0.02006
}

Semantic roles & 50–950 ramp

primary
#0A2A38
secondary
#754028
accent
#713BED
background
#F4F5F6
surface
#E7EAEC
border
#C3C6C7
text
#020507
muted
#78797A

Preview Lab

Preview with #0A2A38

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

Preview Lab → · Contrast checker → · Palette generator →

#0A2A38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva