#103D5D#103D5D

#103D5D is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.074 H 244.2°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#103D5D
RGBrgb(16, 61, 93)
HSLhsl(205, 71%, 21%)
HSVhsv(205, 83%, 36%)
CMYKcmyk(82.8%, 34.4%, 0%, 63.5%)
CIE-LABlab(24.44, -2.49, -23.33)
CIE-LCHlch(24.44, 23.46, 263.91°)
OKLaboklab(34.71% -0.032 -0.0662)
OKLCHoklch(34.71% 0.074 244.2)
XYZxyz(3.8574, 4.2375, 10.9684)
Luminance0.0424 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103D5D #5D3010
analogous
#105D57 #103D5D #10175D
triadic
#103D5D #5D103D #3D5D10
tetradic
#103D5D #57105D #5D3010 #175D10
square
#103D5D #57105D #5D3010 #175D10
split-complementary
#103D5D #5D1017 #5D5710
monochromatic
#04111A #071B29 #103D5D #195F91 #2282C5

Accessibility & contrast

On white

11.37
#103D5D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#103D5D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D5D
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103D5D#FFFFFF#000000##FFFFFF
##103D5D1.0011.371.8511.37
#FFFFFF11.371.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E3E5E
Deuteranopia (green-blind)
#23375C
Tritanopia (blue-blind)
#004548
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #103d5d;
/* rgb */ color: rgb(16, 61, 93);
/* oklch */ color: oklch(34.7% 0.074 244.2);
Tailwind
colors: {
  custom: {
    50: '#5c728b',
    500: '#103d5d',
    950: '#000000',
  },
}
SCSS
$custom: #103d5d;
$custom-light: #5c728b;
$custom-dark: #000000;
JSON
{
  "hex": "#103d5d",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 204.935,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34707,
    "c": 0.07355,
    "h": 244.2
  },
  "luminance": 0.04238
}

Semantic roles & 50–950 ramp

primary
#103D5D
secondary
#965C33
accent
#853AED
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#04070C
muted
#797A7D

Preview Lab

Preview with #103D5D

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

Preview Lab → · Contrast checker → · Palette generator →

#103D5D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva