#1B8CA7#1B8CA7

#1B8CA7 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.3% C 0.101 H 219.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B8CA7
RGB	rgb(27, 140, 167)
HSL	hsl(192, 72%, 38%)
HSV	hsv(192, 84%, 65%)
CMYK	cmyk(83.8%, 16.2%, 0%, 34.5%)
CIE-LAB	lab(53.79, -20.20, -22.76)
CIE-LCH	lch(53.79, 30.43, 228.40°)
OKLab	oklab(59.34% -0.0786 -0.0637)
OKLCH	oklch(59.34% 0.101 219)
XYZ	xyz(16.8021, 21.7771, 39.8696)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8CA7 #A7361B

analogous

#1BA77C #1B8CA7 #1B46A7

triadic

#1B8CA7 #A71B8C #8CA71B

tetradic

#1B8CA7 #7C1BA7 #A7361B #46A71B

square

#1B8CA7 #7C1BA7 #A7361B #46A71B

split-complementary

#1B8CA7 #A71B46 #A77C1B

monochromatic

#0A343E #126072 #1B8CA7 #24B8DC #58C9E4

Accessibility & contrast

On white

3.92

#1B8CA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#1B8CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8CA7

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8CA7	#FFFFFF	#000000	##000000
##1B8CA7	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: #1b8ca7;
/* rgb */ color: rgb(27, 140, 167);
/* oklch */ color: oklch(59.3% 0.101 219.0);

Tailwind

colors: {
  custom: {
    50: '#72adc1',
    500: '#1b8ca7',
    950: '#000000',
  },
}

SCSS

$custom: #1b8ca7;
$custom-light: #72adc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8ca7",
  "rgb": {
    "r": 27,
    "g": 140,
    "b": 167
  },
  "hsl": {
    "h": 191.571,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59344,
    "c": 0.10119,
    "h": 219
  },
  "luminance": 0.21779
}

Semantic roles & 50–950 ramp

primary

#1B8CA7

secondary

#C86C56

accent

#5C39EF

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B8CA7

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

Preview Lab → · Contrast checker → · Palette generator →