#104C8D#104C8D

#104C8D is a dark, vivid cyan. Relative luminance 0.072; OKLCH L 41.8% C 0.123 H 254.5°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#104C8D
RGBrgb(16, 76, 141)
HSLhsl(211, 80%, 31%)
HSVhsv(211, 89%, 55%)
CMYKcmyk(88.7%, 46.1%, 0%, 44.7%)
CIE-LABlab(32.26, 7.43, -41.16)
CIE-LCHlch(32.26, 41.83, 280.23°)
OKLaboklab(41.79% -0.0328 -0.1182)
OKLCHoklch(41.79% 0.123 254.5)
XYZxyz(7.6040, 7.2012, 26.1833)
Luminance0.0720 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#104C8D #8D5110
analogous
#108A8D #104C8D #12108D
triadic
#104C8D #8D104C #4C8D10
tetradic
#104C8D #8D108A #8D5110 #108D12
square
#104C8D #8D108A #8D5110 #108D12
split-complementary
#104C8D #8D1210 #8A8D10
monochromatic
#04111F #0A2E56 #104C8D #166AC4 #3088E7

Accessibility & contrast

On white

8.61
#104C8D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#104C8D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104C8D
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##104C8D#FFFFFF#000000##FFFFFF
##104C8D1.008.612.448.61
#FFFFFF8.611.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#29528F
Deuteranopia (green-blind)
#0B478C
Tritanopia (blue-blind)
#005C65
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #104c8d;
/* rgb */ color: rgb(16, 76, 141);
/* oklch */ color: oklch(41.8% 0.123 254.5);
Tailwind
colors: {
  custom: {
    50: '#687daf',
    500: '#104c8d',
    950: '#000000',
  },
}
SCSS
$custom: #104c8d;
$custom-light: #687daf;
$custom-dark: #000000;
JSON
{
  "hex": "#104c8d",
  "rgb": {
    "r": 16,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 211.2,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.41789,
    "c": 0.12268,
    "h": 254.5
  },
  "luminance": 0.07202
}

Semantic roles & 50–950 ramp

primary
#104C8D
secondary
#C27F37
accent
#9832F6
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #104C8D

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

Preview Lab → · Contrast checker → · Palette generator →

#104C8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva