#0A3A48#0A3A48

#0A3A48 is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.5% C 0.054 H 222.3°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX#0A3A48
RGBrgb(10, 58, 72)
HSLhsl(194, 76%, 16%)
HSVhsv(194, 86%, 28%)
CMYKcmyk(86.1%, 19.4%, 0%, 71.8%)
CIE-LABlab(22.15, -9.90, -13.05)
CIE-LCHlch(22.15, 16.38, 232.83°)
OKLaboklab(32.49% -0.0402 -0.0366)
OKLCHoklch(32.49% 0.054 222.3)
XYZxyz(2.8074, 3.5582, 6.6685)
Luminance0.0356 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A3A48 #48180A
analogous
#0A4837 #0A3A48 #0A1B48
triadic
#0A3A48 #480A3A #3A480A
tetradic
#0A3A48 #370A48 #48180A #1B480A
square
#0A3A48 #370A48 #48180A #1B480A
split-complementary
#0A3A48 #480A1B #48370A
monochromatic
#04161B #04161B #0A3A48 #11657E #1991B3

Accessibility & contrast

On white

12.27
#0A3A48 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.71
#0A3A48 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3A48
12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A3A48#FFFFFF#000000##FFFFFF
##0A3A481.0012.271.7112.27
#FFFFFF12.271.0021.001.00
#0000001.7121.001.0021.00
##FFFFFF12.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323849
Deuteranopia (green-blind)
#2A3248
Tritanopia (blue-blind)
#003E3F
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #0a3a48;
/* rgb */ color: rgb(10, 58, 72);
/* oklch */ color: oklch(32.5% 0.054 222.3);
Tailwind
colors: {
  custom: {
    50: '#55707b',
    500: '#0a3a48',
    950: '#000000',
  },
}
SCSS
$custom: #0a3a48;
$custom-light: #55707b;
$custom-dark: #000000;
JSON
{
  "hex": "#0a3a48",
  "rgb": {
    "r": 10,
    "g": 58,
    "b": 72
  },
  "hsl": {
    "h": 193.548,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32485,
    "c": 0.05433,
    "h": 222.3
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary
#0A3A48
secondary
#853E29
accent
#6036F2
background
#F5F6F7
surface
#E9ECED
border
#C5C7C8
text
#030709
muted
#787A7B

Preview Lab

Preview with #0A3A48

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

Preview Lab → · Contrast checker → · Palette generator →

#0A3A48 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva