#1B8BA8#1B8BA8

#1B8BA8 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.1% C 0.102 H 220.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B8BA8
RGB	rgb(27, 139, 168)
HSL	hsl(192, 72%, 38%)
HSV	hsv(192, 84%, 66%)
CMYK	cmyk(83.9%, 17.3%, 0%, 34.1%)
CIE-LAB	lab(53.52, -19.32, -23.75)
CIE-LCH	lch(53.52, 30.62, 230.87°)
OKLab	oklab(59.14% -0.0772 -0.0666)
OKLCH	oklch(59.14% 0.102 220.7)
XYZ	xyz(16.7495, 21.5233, 40.3098)
Luminance	0.2152 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8BA8 #A8381B

analogous

#1BA87E #1B8BA8 #1B45A8

triadic

#1B8BA8 #A81B8B #8BA81B

tetradic

#1B8BA8 #7E1BA8 #A8381B #45A81B

square

#1B8BA8 #7E1BA8 #A8381B #45A81B

split-complementary

#1B8BA8 #A81B45 #A87E1B

monochromatic

#0A343F #135F73 #1B8BA8 #24B6DC #59C8E4

Accessibility & contrast

On white

3.96

#1B8BA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#1B8BA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8BA8

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8BA8	#FFFFFF	#000000	##000000
##1B8BA8	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A87AA

Deuteranopia (green-blind)

#677AA8

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1b8ba8;
/* rgb */ color: rgb(27, 139, 168);
/* oklch */ color: oklch(59.1% 0.102 220.7);

Tailwind

colors: {
  custom: {
    50: '#72adc2',
    500: '#1b8ba8',
    950: '#000000',
  },
}

SCSS

$custom: #1b8ba8;
$custom-light: #72adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8ba8",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 168
  },
  "hsl": {
    "h": 192.34,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.59139,
    "c": 0.10197,
    "h": 220.7
  },
  "luminance": 0.21525
}

Semantic roles & 50–950 ramp

primary

#1B8BA8

secondary

#C86E57

accent

#5E39EF

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B8BA8

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

Preview Lab → · Contrast checker → · Palette generator →