#103D5F#103D5F

#103D5F is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.076 H 245.7°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX#103D5F
RGBrgb(16, 61, 95)
HSLhsl(206, 71%, 22%)
HSVhsv(206, 83%, 37%)
CMYKcmyk(83.2%, 35.8%, 0%, 62.7%)
CIE-LABlab(24.56, -1.66, -24.45)
CIE-LCHlch(24.56, 24.51, 266.12°)
OKLaboklab(34.83% -0.0314 -0.0695)
OKLCHoklch(34.83% 0.076 245.7)
XYZxyz(3.9472, 4.2734, 11.4411)
Luminance0.0427 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103D5F #5F3210
analogous
#105F5A #103D5F #10165F
triadic
#103D5F #5F103D #3D5F10
tetradic
#103D5F #5A105F #5F3210 #165F10
square
#103D5F #5A105F #5F3210 #165F10
split-complementary
#103D5F #5F1016 #5F5A10
monochromatic
#04111A #071B2B #103D5F #195F93 #2280C8

Accessibility & contrast

On white

11.32
#103D5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#103D5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D5F
11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103D5F#FFFFFF#000000##FFFFFF
##103D5F1.0011.321.8511.32
#FFFFFF11.321.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D3E60
Deuteranopia (green-blind)
#22375E
Tritanopia (blue-blind)
#004549
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #103d5f;
/* rgb */ color: rgb(16, 61, 95);
/* oklch */ color: oklch(34.8% 0.076 245.7);
Tailwind
colors: {
  custom: {
    50: '#5c728c',
    500: '#103d5f',
    950: '#000000',
  },
}
SCSS
$custom: #103d5f;
$custom-light: #5c728c;
$custom-dark: #000000;
JSON
{
  "hex": "#103d5f",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 205.823,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.34834,
    "c": 0.07623,
    "h": 245.7
  },
  "luminance": 0.04274
}

Semantic roles & 50–950 ramp

primary
#103D5F
secondary
#985E33
accent
#873AEE
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#05070C
muted
#797A7D

Preview Lab

Preview with #103D5F

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

Preview Lab → · Contrast checker → · Palette generator →

#103D5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva