#1B8FA8#1B8FA8

#1B8FA8 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.1% C 0.102 H 217.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B8FA8
RGB	rgb(27, 143, 168)
HSL	hsl(191, 72%, 38%)
HSV	hsv(191, 84%, 66%)
CMYK	cmyk(83.9%, 14.9%, 0%, 34.1%)
CIE-LAB	lab(54.77, -21.45, -21.83)
CIE-LCH	lch(54.77, 30.60, 225.51°)
OKLab	oklab(60.14% -0.0811 -0.0611)
OKLCH	oklch(60.14% 0.102 217)
XYZ	xyz(17.3393, 22.7029, 40.5064)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8FA8 #A8341B

analogous

#1BA87A #1B8FA8 #1B49A8

triadic

#1B8FA8 #A81B8F #8FA81B

tetradic

#1B8FA8 #7A1BA8 #A8341B #49A81B

square

#1B8FA8 #7A1BA8 #A8341B #49A81B

split-complementary

#1B8FA8 #A81B49 #A87A1B

monochromatic

#0A353F #136273 #1B8FA8 #24BBDC #59CCE4

Accessibility & contrast

On white

3.79

#1B8FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#1B8FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8FA8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8FA8	#FFFFFF	#000000	##000000
##1B8FA8	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8AA9

Deuteranopia (green-blind)

#6C7DA8

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b8fa8;
/* rgb */ color: rgb(27, 143, 168);
/* oklch */ color: oklch(60.1% 0.102 217.0);

Tailwind

colors: {
  custom: {
    50: '#73b0c2',
    500: '#1b8fa8',
    950: '#000000',
  },
}

SCSS

$custom: #1b8fa8;
$custom-light: #73b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8fa8",
  "rgb": {
    "r": 27,
    "g": 143,
    "b": 168
  },
  "hsl": {
    "h": 190.638,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.60143,
    "c": 0.10151,
    "h": 217
  },
  "luminance": 0.22705
}

Semantic roles & 50–950 ramp

primary

#1B8FA8

secondary

#C86B57

accent

#5939EF

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1B8FA8

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

Preview Lab → · Contrast checker → · Palette generator →