#1B8DA7#1B8DA7

#1B8DA7 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.6% C 0.101 H 218.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B8DA7
RGB	rgb(27, 141, 167)
HSL	hsl(191, 72%, 38%)
HSV	hsv(191, 84%, 65%)
CMYK	cmyk(83.8%, 15.6%, 0%, 34.5%)
CIE-LAB	lab(54.10, -20.73, -22.28)
CIE-LCH	lch(54.10, 30.43, 227.06°)
OKLab	oklab(59.6% -0.0796 -0.0623)
OKLCH	oklch(59.6% 0.101 218.1)
XYZ	xyz(16.9489, 22.0706, 39.9185)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8DA7 #A7351B

analogous

#1BA77B #1B8DA7 #1B47A7

triadic

#1B8DA7 #A71B8D #8DA71B

tetradic

#1B8DA7 #7B1BA7 #A7351B #47A71B

square

#1B8DA7 #7B1BA7 #A7351B #47A71B

split-complementary

#1B8DA7 #A71B47 #A77B1B

monochromatic

#0A343E #126172 #1B8DA7 #24B9DC #58CAE4

Accessibility & contrast

On white

3.88

#1B8DA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#1B8DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8DA7

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8DA7	#FFFFFF	#000000	##000000
##1B8DA7	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89A8

Deuteranopia (green-blind)

#6A7CA7

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1b8da7;
/* rgb */ color: rgb(27, 141, 167);
/* oklch */ color: oklch(59.6% 0.101 218.1);

Tailwind

colors: {
  custom: {
    50: '#72aec1',
    500: '#1b8da7',
    950: '#000000',
  },
}

SCSS

$custom: #1b8da7;
$custom-light: #72aec1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8da7",
  "rgb": {
    "r": 27,
    "g": 141,
    "b": 167
  },
  "hsl": {
    "h": 191.143,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59596,
    "c": 0.10109,
    "h": 218.1
  },
  "luminance": 0.22073
}

Semantic roles & 50–950 ramp

primary

#1B8DA7

secondary

#C86B56

accent

#5B39EF

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B8DA7

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

Preview Lab → · Contrast checker → · Palette generator →