#1B8BAA#1B8BAA

#1B8BAA is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.2% C 0.103 H 222.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B8BAA
RGB	rgb(27, 139, 170)
HSL	hsl(193, 73%, 39%)
HSV	hsv(193, 84%, 67%)
CMYK	cmyk(84.1%, 18.2%, 0%, 33.3%)
CIE-LAB	lab(53.60, -18.63, -24.78)
CIE-LCH	lch(53.60, 31.00, 233.06°)
OKLab	oklab(59.23% -0.0765 -0.0695)
OKLCH	oklch(59.23% 0.103 222.3)
XYZ	xyz(16.9372, 21.5984, 41.2986)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8BAA #AA3A1B

analogous

#1BAA81 #1B8BAA #1B43AA

triadic

#1B8BAA #AA1B8B #8BAA1B

tetradic

#1B8BAA #811BAA #AA3A1B #43AA1B

square

#1B8BAA #811BAA #AA3A1B #43AA1B

split-complementary

#1B8BAA #AA1B43 #AA811B

monochromatic

#0A3540 #136075 #1B8BAA #26B5DC #5BC7E5

Accessibility & contrast

On white

3.95

#1B8BAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#1B8BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8BAA

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8BAA	#FFFFFF	#000000	##000000
##1B8BAA	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7987AC

Deuteranopia (green-blind)

#677AAA

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1b8baa;
/* rgb */ color: rgb(27, 139, 170);
/* oklch */ color: oklch(59.2% 0.103 222.3);

Tailwind

colors: {
  custom: {
    50: '#73adc3',
    500: '#1b8baa',
    950: '#000000',
  },
}

SCSS

$custom: #1b8baa;
$custom-light: #73adc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8baa",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 170
  },
  "hsl": {
    "h": 193.007,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.5923,
    "c": 0.10333,
    "h": 222.3
  },
  "luminance": 0.21601
}

Semantic roles & 50–950 ramp

primary

#1B8BAA

secondary

#C97158

accent

#6039EF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B8BAA

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

Preview Lab → · Contrast checker → · Palette generator →