#1D8AB0#1D8AB0

#1D8AB0 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.3% C 0.108 H 227.6°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#1D8AB0
RGBrgb(29, 138, 176)
HSLhsl(196, 72%, 40%)
HSVhsv(196, 84%, 69%)
CMYKcmyk(83.5%, 21.6%, 0%, 31%)
CIE-LABlab(53.57, -15.80, -28.27)
CIE-LCHlch(53.57, 32.38, 240.79°)
OKLaboklab(59.3% -0.0726 -0.0795)
OKLCHoklch(59.3% 0.108 227.6)
XYZxyz(17.4284, 21.5705, 44.3108)
Luminance0.2157 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D8AB0 #B0431D
analogous
#1DB08C #1D8AB0 #1D41B0
triadic
#1D8AB0 #B01D8A #8AB01D
tetradic
#1D8AB0 #8C1DB0 #B0431D #41B01D
square
#1D8AB0 #8C1DB0 #B0431D #41B01D
split-complementary
#1D8AB0 #B01D41 #B08C1D
monochromatic
#0C3847 #14617B #1D8AB0 #2EAFDD #62C3E5

Accessibility & contrast

On white

3.95
#1D8AB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.31
#1D8AB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8AB0
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D8AB0#FFFFFF#000000##000000
##1D8AB01.003.955.315.31
#FFFFFF3.951.0021.0021.00
#0000005.3121.001.001.00
##0000005.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7688B2
Deuteranopia (green-blind)
#637AAF
Tritanopia (blue-blind)
#009597
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #1d8ab0;
/* rgb */ color: rgb(29, 138, 176);
/* oklch */ color: oklch(59.3% 0.108 227.6);
Tailwind
colors: {
  custom: {
    50: '#74acc7',
    500: '#1d8ab0',
    950: '#000000',
  },
}
SCSS
$custom: #1d8ab0;
$custom-light: #74acc7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d8ab0",
  "rgb": {
    "r": 29,
    "g": 138,
    "b": 176
  },
  "hsl": {
    "h": 195.51,
    "s": 71.707,
    "l": 40.196
  },
  "oklch": {
    "l": 0.59298,
    "c": 0.10766,
    "h": 227.6
  },
  "luminance": 0.21573
}

Semantic roles & 50–950 ramp

primary
#1D8AB0
secondary
#CA7B5F
accent
#6839EE
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #1D8AB0

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

Preview Lab → · Contrast checker → · Palette generator →

#1D8AB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva