#1B8EAD#1B8EAD

#1B8EAD is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.1% C 0.105 H 221.8°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#1B8EAD
RGB	rgb(27, 142, 173)
HSL	hsl(193, 73%, 39%)
HSV	hsv(193, 84%, 68%)
CMYK	cmyk(84.4%, 17.9%, 0%, 32.2%)
CIE-LAB	lab(54.65, -19.20, -24.87)
CIE-LCH	lch(54.65, 31.42, 232.34°)
OKLab	oklab(60.12% -0.0781 -0.0698)
OKLCH	oklch(60.12% 0.105 221.8)
XYZ	xyz(17.6646, 22.5939, 42.9571)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8EAD #AD3A1B

analogous

#1BAD83 #1B8EAD #1B45AD

triadic

#1B8EAD #AD1B8E #8EAD1B

tetradic

#1B8EAD #831BAD #AD3A1B #45AD1B

square

#1B8EAD #831BAD #AD3A1B #45AD1B

split-complementary

#1B8EAD #AD1B45 #AD831B

monochromatic

#0A3743 #136378 #1B8EAD #28B7DD #5DC9E6

Accessibility & contrast

On white

3.80

#1B8EAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#1B8EAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8EAD

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8EAD	#FFFFFF	#000000	##000000
##1B8EAD	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8AAF

Deuteranopia (green-blind)

#697DAD

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b8ead;
/* rgb */ color: rgb(27, 142, 173);
/* oklch */ color: oklch(60.1% 0.105 221.8);

Tailwind

colors: {
  custom: {
    50: '#73afc5',
    500: '#1b8ead',
    950: '#000000',
  },
}

SCSS

$custom: #1b8ead;
$custom-light: #73afc5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8ead",
  "rgb": {
    "r": 27,
    "g": 142,
    "b": 173
  },
  "hsl": {
    "h": 192.74,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.60117,
    "c": 0.10473,
    "h": 221.8
  },
  "luminance": 0.22596
}

Semantic roles & 50–950 ramp

primary

#1B8EAD

secondary

#CA725A

accent

#5F38F0

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1B8EAD

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

Preview Lab → · Contrast checker → · Palette generator →