#103C51#103C51

#103C51 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.060 H 233.5°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX#103C51
RGBrgb(16, 60, 81)
HSLhsl(199, 67%, 19%)
HSVhsv(199, 80%, 32%)
CMYKcmyk(80.2%, 25.9%, 0%, 68.2%)
CIE-LABlab(23.46, -6.73, -17.00)
CIE-LCHlch(23.46, 18.28, 248.42°)
OKLaboklab(33.72% -0.0354 -0.0478)
OKLCHoklch(33.72% 0.06 233.5)
XYZxyz(3.3142, 3.9356, 8.3680)
Luminance0.0394 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103C51 #512510
analogous
#105146 #103C51 #101C51
triadic
#103C51 #51103C #3C5110
tetradic
#103C51 #461051 #512510 #1C5110
square
#103C51 #461051 #512510 #1C5110
split-complementary
#103C51 #51101C #514610
monochromatic
#05131A #06161E #103C51 #1A6284 #2488B7

Accessibility & contrast

On white

11.75
#103C51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#103C51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C51
11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103C51#FFFFFF#000000##FFFFFF
##103C511.0011.751.7911.75
#FFFFFF11.751.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323B52
Deuteranopia (green-blind)
#293551
Tritanopia (blue-blind)
#004243
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #103c51;
/* rgb */ color: rgb(16, 60, 81);
/* oklch */ color: oklch(33.7% 0.060 233.5);
Tailwind
colors: {
  custom: {
    50: '#597182',
    500: '#103c51',
    950: '#000000',
  },
}
SCSS
$custom: #103c51;
$custom-light: #597182;
$custom-dark: #000000;
JSON
{
  "hex": "#103c51",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 81
  },
  "hsl": {
    "h": 199.385,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33716,
    "c": 0.05954,
    "h": 233.5
  },
  "luminance": 0.03936
}

Semantic roles & 50–950 ramp

primary
#103C51
secondary
#8B4F32
accent
#753EEA
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #103C51

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

Preview Lab → · Contrast checker → · Palette generator →

#103C51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva