#1D8CA7#1D8CA7

#1D8CA7 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.4% C 0.101 H 219.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D8CA7
RGB	rgb(29, 140, 167)
HSL	hsl(192, 70%, 38%)
HSV	hsv(192, 83%, 65%)
CMYK	cmyk(82.6%, 16.2%, 0%, 34.5%)
CIE-LAB	lab(53.82, -20.03, -22.71)
CIE-LCH	lch(53.82, 30.28, 228.59°)
OKLab	oklab(59.38% -0.078 -0.0636)
OKLCH	oklch(59.38% 0.101 219.2)
XYZ	xyz(16.8569, 21.8053, 39.8721)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8CA7 #A7381D

analogous

#1DA77D #1D8CA7 #1D47A7

triadic

#1D8CA7 #A71D8C #8CA71D

tetradic

#1D8CA7 #7D1DA7 #A7381D #47A71D

square

#1D8CA7 #7D1DA7 #A7381D #47A71D

split-complementary

#1D8CA7 #A71D47 #A77D1D

monochromatic

#0B353F #146073 #1D8CA7 #28B7DA #5CC8E3

Accessibility & contrast

On white

3.92

#1D8CA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#1D8CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8CA7

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8CA7	#FFFFFF	#000000	##000000
##1D8CA7	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88A8

Deuteranopia (green-blind)

#697BA7

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1d8ca7;
/* rgb */ color: rgb(29, 140, 167);
/* oklch */ color: oklch(59.4% 0.101 219.2);

Tailwind

colors: {
  custom: {
    50: '#73adc1',
    500: '#1d8ca7',
    950: '#000000',
  },
}

SCSS

$custom: #1d8ca7;
$custom-light: #73adc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8ca7",
  "rgb": {
    "r": 29,
    "g": 140,
    "b": 167
  },
  "hsl": {
    "h": 191.739,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59377,
    "c": 0.10062,
    "h": 219.2
  },
  "luminance": 0.21807
}

Semantic roles & 50–950 ramp

primary

#1D8CA7

secondary

#C76F59

accent

#5E3BED

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1D8CA7

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

Preview Lab → · Contrast checker → · Palette generator →