#103C5D#103C5D

#103C5D is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.075 H 245.4°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX#103C5D
RGBrgb(16, 60, 93)
HSLhsl(206, 71%, 21%)
HSVhsv(206, 83%, 36%)
CMYKcmyk(82.8%, 35.5%, 0%, 63.5%)
CIE-LABlab(24.10, -1.82, -23.87)
CIE-LCHlch(24.10, 23.94, 265.65°)
OKLaboklab(34.44% -0.031 -0.0678)
OKLCHoklch(34.44% 0.075 245.4)
XYZxyz(3.8046, 4.1317, 10.9508)
Luminance0.0413 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103C5D #5D3110
analogous
#105D58 #103C5D #10165D
triadic
#103C5D #5D103C #3C5D10
tetradic
#103C5D #58105D #5D3110 #165D10
square
#103C5D #58105D #5D3110 #165D10
split-complementary
#103C5D #5D1016 #5D5810
monochromatic
#04111A #071A29 #103C5D #195E91 #227FC5

Accessibility & contrast

On white

11.50
#103C5D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.83
#103C5D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C5D
11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103C5D#FFFFFF#000000##FFFFFF
##103C5D1.0011.501.8311.50
#FFFFFF11.501.0021.001.00
#0000001.8321.001.0021.00
##FFFFFF11.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D3D5E
Deuteranopia (green-blind)
#22365C
Tritanopia (blue-blind)
#004448
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #103c5d;
/* rgb */ color: rgb(16, 60, 93);
/* oklch */ color: oklch(34.4% 0.075 245.4);
Tailwind
colors: {
  custom: {
    50: '#5c718b',
    500: '#103c5d',
    950: '#000000',
  },
}
SCSS
$custom: #103c5d;
$custom-light: #5c718b;
$custom-dark: #000000;
JSON
{
  "hex": "#103c5d",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 93
  },
  "hsl": {
    "h": 205.714,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.3444,
    "c": 0.07453,
    "h": 245.4
  },
  "luminance": 0.04132
}

Semantic roles & 50–950 ramp

primary
#103C5D
secondary
#965D33
accent
#873AED
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#04070C
muted
#797A7D

Preview Lab

Preview with #103C5D

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

Preview Lab → · Contrast checker → · Palette generator →

#103C5D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva