#1D8DA7#1D8DA7

#1D8DA7 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.6% C 0.101 H 218.2°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D8DA7
RGB	rgb(29, 141, 167)
HSL	hsl(191, 70%, 38%)
HSV	hsv(191, 83%, 65%)
CMYK	cmyk(82.6%, 15.6%, 0%, 34.5%)
CIE-LAB	lab(54.13, -20.56, -22.23)
CIE-LCH	lch(54.13, 30.28, 227.23°)
OKLab	oklab(59.63% -0.079 -0.0622)
OKLCH	oklch(59.63% 0.101 218.2)
XYZ	xyz(17.0036, 22.0988, 39.9210)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8DA7 #A7371D

analogous

#1DA77C #1D8DA7 #1D48A7

triadic

#1D8DA7 #A71D8D #8DA71D

tetradic

#1D8DA7 #7C1DA7 #A7371D #48A71D

square

#1D8DA7 #7C1DA7 #A7371D #48A71D

split-complementary

#1D8DA7 #A71D48 #A77C1D

monochromatic

#0B353F #146173 #1D8DA7 #28B8DA #5CC9E3

Accessibility & contrast

On white

3.87

#1D8DA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#1D8DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8DA7

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8DA7	#FFFFFF	#000000	##000000
##1D8DA7	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89A8

Deuteranopia (green-blind)

#6B7CA7

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1d8da7;
/* rgb */ color: rgb(29, 141, 167);
/* oklch */ color: oklch(59.6% 0.101 218.2);

Tailwind

colors: {
  custom: {
    50: '#73aec1',
    500: '#1d8da7',
    950: '#000000',
  },
}

SCSS

$custom: #1d8da7;
$custom-light: #73aec1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8da7",
  "rgb": {
    "r": 29,
    "g": 141,
    "b": 167
  },
  "hsl": {
    "h": 191.304,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59628,
    "c": 0.10052,
    "h": 218.2
  },
  "luminance": 0.22101
}

Semantic roles & 50–950 ramp

primary

#1D8DA7

secondary

#C76E59

accent

#5C3BED

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1D8DA7

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

Preview Lab → · Contrast checker → · Palette generator →