#103B55#103B55

#103B55 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.065 H 239.7°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX#103B55
RGBrgb(16, 59, 85)
HSLhsl(203, 68%, 20%)
HSVhsv(203, 81%, 33%)
CMYKcmyk(81.2%, 30.6%, 0%, 66.7%)
CIE-LABlab(23.32, -4.45, -19.86)
CIE-LCHlch(23.32, 20.35, 257.37°)
OKLaboklab(33.67% -0.0327 -0.0561)
OKLCHoklch(33.67% 0.065 239.7)
XYZxyz(3.4167, 3.8936, 9.1640)
Luminance0.0389 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103B55 #552A10
analogous
#10554D #103B55 #101855
triadic
#103B55 #55103B #3B5510
tetradic
#103B55 #4D1055 #552A10 #185510
square
#103B55 #4D1055 #552A10 #185510
split-complementary
#103B55 #551018 #554D10
monochromatic
#05121A #061721 #103B55 #1A5F89 #2383BC

Accessibility & contrast

On white

11.81
#103B55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#103B55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B55
11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103B55#FFFFFF#000000##FFFFFF
##103B551.0011.811.7811.81
#FFFFFF11.811.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3B56
Deuteranopia (green-blind)
#253555
Tritanopia (blue-blind)
#004244
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #103b55;
/* rgb */ color: rgb(16, 59, 85);
/* oklch */ color: oklch(33.7% 0.065 239.7);
Tailwind
colors: {
  custom: {
    50: '#5a7085',
    500: '#103b55',
    950: '#000000',
  },
}
SCSS
$custom: #103b55;
$custom-light: #5a7085;
$custom-dark: #000000;
JSON
{
  "hex": "#103b55",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 85
  },
  "hsl": {
    "h": 202.609,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33673,
    "c": 0.06498,
    "h": 239.7
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary
#103B55
secondary
#8F5532
accent
#7E3DEB
background
#F5F6F8
surface
#E9ECEF
border
#C5C7CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #103B55

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

Preview Lab → · Contrast checker → · Palette generator →

#103B55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva