#104C5B#104C5B

#104C5B is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.7% C 0.063 H 218.9°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX#104C5B
RGBrgb(16, 76, 91)
HSLhsl(192, 70%, 21%)
HSVhsv(192, 82%, 36%)
CMYKcmyk(82.4%, 16.5%, 0%, 64.3%)
CIE-LABlab(29.50, -12.77, -14.17)
CIE-LCHlch(29.50, 19.08, 227.97°)
OKLaboklab(38.71% -0.0492 -0.0396)
OKLCHoklch(38.71% 0.063 218.9)
XYZxyz(4.6857, 6.0338, 10.8132)
Luminance0.0603 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#104C5B #5B1F10
analogous
#105B44 #104C5B #10265B
triadic
#104C5B #5B104C #4C5B10
tetradic
#104C5B #44105B #5B1F10 #265B10
square
#104C5B #44105B #5B1F10 #265B10
split-complementary
#104C5B #5B1026 #5B4410
monochromatic
#05161A #072127 #104C5B #19778F #22A3C3

Accessibility & contrast

On white

9.52
#104C5B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#104C5B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C5B
9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##104C5B#FFFFFF#000000##FFFFFF
##104C5B1.009.522.219.52
#FFFFFF9.521.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#434A5C
Deuteranopia (green-blind)
#39425B
Tritanopia (blue-blind)
#005151
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #104c5b;
/* rgb */ color: rgb(16, 76, 91);
/* oklch */ color: oklch(38.7% 0.063 218.9);
Tailwind
colors: {
  custom: {
    50: '#5c7e89',
    500: '#104c5b',
    950: '#000000',
  },
}
SCSS
$custom: #104c5b;
$custom-light: #5c7e89;
$custom-dark: #000000;
JSON
{
  "hex": "#104c5b",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 91
  },
  "hsl": {
    "h": 192,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.38706,
    "c": 0.06314,
    "h": 218.9
  },
  "luminance": 0.06034
}

Semantic roles & 50–950 ramp

primary
#104C5B
secondary
#944633
accent
#5F3BED
background
#F5F7F8
surface
#E9EEF0
border
#C5C9CB
text
#050A0B
muted
#797C7C

Preview Lab

Preview with #104C5B

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

Preview Lab → · Contrast checker → · Palette generator →

#104C5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva