#1B8BAD#1B8BAD

#1B8BAD is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.4% C 0.105 H 224.5°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B8BAD
RGB	rgb(27, 139, 173)
HSL	hsl(194, 73%, 39%)
HSV	hsv(194, 84%, 68%)
CMYK	cmyk(84.4%, 19.7%, 0%, 32.2%)
CIE-LAB	lab(53.72, -17.58, -26.31)
CIE-LCH	lch(53.72, 31.64, 236.25°)
OKLab	oklab(59.37% -0.0753 -0.0739)
OKLCH	oklch(59.37% 0.105 224.5)
XYZ	xyz(17.2243, 21.7132, 42.8103)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8BAD #AD3D1B

analogous

#1BAD86 #1B8BAD #1B42AD

triadic

#1B8BAD #AD1B8B #8BAD1B

tetradic

#1B8BAD #861BAD #AD3D1B #42AD1B

square

#1B8BAD #861BAD #AD3D1B #42AD1B

split-complementary

#1B8BAD #AD1B42 #AD861B

monochromatic

#0A3643 #136078 #1B8BAD #28B3DD #5DC6E6

Accessibility & contrast

On white

3.93

#1B8BAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#1B8BAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8BAD

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8BAD	#FFFFFF	#000000	##000000
##1B8BAD	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888AF

Deuteranopia (green-blind)

#657BAD

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1b8bad;
/* rgb */ color: rgb(27, 139, 173);
/* oklch */ color: oklch(59.4% 0.105 224.5);

Tailwind

colors: {
  custom: {
    50: '#73adc5',
    500: '#1b8bad',
    950: '#000000',
  },
}

SCSS

$custom: #1b8bad;
$custom-light: #73adc5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8bad",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 173
  },
  "hsl": {
    "h": 193.973,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.5937,
    "c": 0.10549,
    "h": 224.5
  },
  "luminance": 0.21715
}

Semantic roles & 50–950 ramp

primary

#1B8BAD

secondary

#CA745A

accent

#6338F0

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1B8BAD

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

Preview Lab → · Contrast checker → · Palette generator →