#104E5F#104E5F

#104E5F is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.5% C 0.066 H 221.0°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX#104E5F
RGBrgb(16, 78, 95)
HSLhsl(193, 71%, 22%)
HSVhsv(193, 83%, 37%)
CMYKcmyk(83.2%, 17.9%, 0%, 62.7%)
CIE-LABlab(30.36, -12.46, -15.40)
CIE-LCHlch(30.36, 19.81, 231.03°)
OKLaboklab(39.46% -0.0496 -0.0431)
OKLCHoklch(39.46% 0.066 221)
XYZxyz(5.0028, 6.3845, 11.7929)
Luminance0.0639 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#104E5F #5F2110
analogous
#105F49 #104E5F #10275F
triadic
#104E5F #5F104E #4E5F10
tetradic
#104E5F #49105F #5F2110 #275F10
square
#104E5F #49105F #5F2110 #275F10
split-complementary
#104E5F #5F1027 #5F4910
monochromatic
#04161A #07232B #104E5F #197993 #22A4C8

Accessibility & contrast

On white

9.22
#104E5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.28
#104E5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104E5F
9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##104E5F#FFFFFF#000000##FFFFFF
##104E5F1.009.222.289.22
#FFFFFF9.221.0021.001.00
#0000002.2821.001.0021.00
##FFFFFF9.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#444C60
Deuteranopia (green-blind)
#39445F
Tritanopia (blue-blind)
#005353
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #104e5f;
/* rgb */ color: rgb(16, 78, 95);
/* oklch */ color: oklch(39.5% 0.066 221.0);
Tailwind
colors: {
  custom: {
    50: '#5d7f8c',
    500: '#104e5f',
    950: '#000000',
  },
}
SCSS
$custom: #104e5f;
$custom-light: #5d7f8c;
$custom-dark: #000000;
JSON
{
  "hex": "#104e5f",
  "rgb": {
    "r": 16,
    "g": 78,
    "b": 95
  },
  "hsl": {
    "h": 192.911,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.3946,
    "c": 0.0657,
    "h": 221
  },
  "luminance": 0.06385
}

Semantic roles & 50–950 ramp

primary
#104E5F
secondary
#984933
accent
#613AEE
background
#F5F7F8
surface
#EAEEF0
border
#C6C9CB
text
#050A0C
muted
#797C7D

Preview Lab

Preview with #104E5F

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

Preview Lab → · Contrast checker → · Palette generator →

#104E5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva