#1B8FAD#1B8FAD

#1B8FAD is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.105 H 220.8°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B8FAD
RGB	rgb(27, 143, 173)
HSL	hsl(192, 73%, 39%)
HSV	hsv(192, 84%, 68%)
CMYK	cmyk(84.4%, 17.3%, 0%, 32.2%)
CIE-LAB	lab(54.96, -19.73, -24.39)
CIE-LCH	lch(54.96, 31.37, 231.04°)
OKLab	oklab(60.37% -0.0791 -0.0684)
OKLCH	oklch(60.37% 0.105 220.8)
XYZ	xyz(17.8141, 22.8928, 43.0069)
Luminance	0.2289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8FAD #AD391B

analogous

#1BAD82 #1B8FAD #1B46AD

triadic

#1B8FAD #AD1B8F #8FAD1B

tetradic

#1B8FAD #821BAD #AD391B #46AD1B

square

#1B8FAD #821BAD #AD391B #46AD1B

split-complementary

#1B8FAD #AD1B46 #AD821B

monochromatic

#0A3743 #136378 #1B8FAD #28B8DD #5DCAE6

Accessibility & contrast

On white

3.76

#1B8FAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#1B8FAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8FAD

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8FAD	#FFFFFF	#000000	##000000
##1B8FAD	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8BAF

Deuteranopia (green-blind)

#6A7EAD

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1b8fad;
/* rgb */ color: rgb(27, 143, 173);
/* oklch */ color: oklch(60.4% 0.105 220.8);

Tailwind

colors: {
  custom: {
    50: '#74b0c5',
    500: '#1b8fad',
    950: '#000000',
  },
}

SCSS

$custom: #1b8fad;
$custom-light: #74b0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8fad",
  "rgb": {
    "r": 27,
    "g": 143,
    "b": 173
  },
  "hsl": {
    "h": 192.329,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.60366,
    "c": 0.10454,
    "h": 220.8
  },
  "luminance": 0.22895
}

Semantic roles & 50–950 ramp

primary

#1B8FAD

secondary

#CA715A

accent

#5E38F0

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1B8FAD

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

Preview Lab → · Contrast checker → · Palette generator →