#1D859C#1D859C

#1D859C is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.1% C 0.095 H 217.0°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#1D859C
RGBrgb(29, 133, 156)
HSLhsl(191, 69%, 36%)
HSVhsv(191, 81%, 61%)
CMYKcmyk(81.4%, 14.7%, 0%, 38.8%)
CIE-LABlab(51.19, -20.07, -20.38)
CIE-LCHlch(51.19, 28.60, 225.45°)
OKLaboklab(57.12% -0.0756 -0.057)
OKLCHoklch(57.12% 0.095 217)
XYZxyz(14.8924, 19.4347, 34.4124)
Luminance0.1944 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D859C #9C341D
analogous
#1D9C74 #1D859C #1D469C
triadic
#1D859C #9C1D85 #859C1D
tetradic
#1D859C #741D9C #9C341D #469C1D
square
#1D859C #741D9C #9C341D #469C1D
split-complementary
#1D859C #9C1D46 #9C741D
monochromatic
#0A2D35 #135968 #1D859C #27B1D0 #54C6DF

Accessibility & contrast

On white

4.30
#1D859C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.89
#1D859C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D859C
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D859C#FFFFFF#000000##000000
##1D859C1.004.304.894.89
#FFFFFF4.301.0021.0021.00
#0000004.8921.001.001.00
##0000004.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#76819D
Deuteranopia (green-blind)
#65759C
Tritanopia (blue-blind)
#008D8C
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #1d859c;
/* rgb */ color: rgb(29, 133, 156);
/* oklch */ color: oklch(57.1% 0.095 217.0);
Tailwind
colors: {
  custom: {
    50: '#70a8b9',
    500: '#1d859c',
    950: '#000000',
  },
}
SCSS
$custom: #1d859c;
$custom-light: #70a8b9;
$custom-dark: #000000;
JSON
{
  "hex": "#1d859c",
  "rgb": {
    "r": 29,
    "g": 133,
    "b": 156
  },
  "hsl": {
    "h": 190.866,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.57119,
    "c": 0.0947,
    "h": 217
  },
  "luminance": 0.19437
}

Semantic roles & 50–950 ramp

primary
#1D859C
secondary
#C26752
accent
#5C3CEB
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1D859C

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

Preview Lab → · Contrast checker → · Palette generator →

#1D859C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva