#103F55#103F55

#103F55 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.062 H 233.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX#103F55
RGBrgb(16, 63, 85)
HSLhsl(199, 68%, 20%)
HSVhsv(199, 81%, 33%)
CMYKcmyk(81.2%, 25.9%, 0%, 66.7%)
CIE-LABlab(24.70, -7.07, -17.69)
CIE-LCHlch(24.70, 19.05, 248.23°)
OKLaboklab(34.78% -0.0372 -0.0498)
OKLCHoklch(34.78% 0.062 233.2)
XYZxyz(3.6302, 4.3206, 9.2352)
Luminance0.0432 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103F55 #552610
analogous
#105548 #103F55 #101D55
triadic
#103F55 #55103F #3F5510
tetradic
#103F55 #481055 #552610 #1D5510
square
#103F55 #481055 #552610 #1D5510
split-complementary
#103F55 #55101D #554810
monochromatic
#05131A #061921 #103F55 #1A6589 #238BBC

Accessibility & contrast

On white

11.26
#103F55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#103F55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F55
11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103F55#FFFFFF#000000##FFFFFF
##103F551.0011.261.8611.26
#FFFFFF11.261.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#343E56
Deuteranopia (green-blind)
#2B3855
Tritanopia (blue-blind)
#004546
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #103f55;
/* rgb */ color: rgb(16, 63, 85);
/* oklch */ color: oklch(34.8% 0.062 233.2);
Tailwind
colors: {
  custom: {
    50: '#5a7485',
    500: '#103f55',
    950: '#000000',
  },
}
SCSS
$custom: #103f55;
$custom-light: #5a7485;
$custom-dark: #000000;
JSON
{
  "hex": "#103f55",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 199.13,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34776,
    "c": 0.06217,
    "h": 233.2
  },
  "luminance": 0.04321
}

Semantic roles & 50–950 ramp

primary
#103F55
secondary
#8F5032
accent
#743DEB
background
#F5F7F8
surface
#E9EDEF
border
#C5C8CA
text
#04080B
muted
#797B7C

Preview Lab

Preview with #103F55

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

Preview Lab → · Contrast checker → · Palette generator →

#103F55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva