#1B8AA1#1B8AA1

#1B8AA1 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.6% C 0.098 H 216.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B8AA1
RGB	rgb(27, 138, 161)
HSL	hsl(190, 71%, 37%)
HSV	hsv(190, 83%, 63%)
CMYK	cmyk(83.2%, 14.3%, 0%, 36.9%)
CIE-LAB	lab(52.93, -21.20, -20.62)
CIE-LCH	lch(52.93, 29.57, 224.21°)
OKLab	oklab(58.57% -0.0791 -0.0576)
OKLCH	oklch(58.57% 0.098 216.1)
XYZ	xyz(15.9707, 20.9812, 36.9193)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8AA1 #A1321B

analogous

#1BA175 #1B8AA1 #1B47A1

triadic

#1B8AA1 #A11B8A #8AA11B

tetradic

#1B8AA1 #751BA1 #A1321B #47A11B

square

#1B8AA1 #751BA1 #A1321B #47A11B

split-complementary

#1B8AA1 #A11B47 #A1751B

monochromatic

#093038 #125D6D #1B8AA1 #24B7D5 #54CAE2

Accessibility & contrast

On white

4.04

#1B8AA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#1B8AA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8AA1

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8AA1	#FFFFFF	#000000	##000000
##1B8AA1	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A85A2

Deuteranopia (green-blind)

#6979A1

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1b8aa1;
/* rgb */ color: rgb(27, 138, 161);
/* oklch */ color: oklch(58.6% 0.098 216.1);

Tailwind

colors: {
  custom: {
    50: '#71acbc',
    500: '#1b8aa1',
    950: '#000000',
  },
}

SCSS

$custom: #1b8aa1;
$custom-light: #71acbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8aa1",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 161
  },
  "hsl": {
    "h": 190.299,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.58574,
    "c": 0.0979,
    "h": 216.1
  },
  "luminance": 0.20983
}

Semantic roles & 50–950 ramp

primary

#1B8AA1

secondary

#C56652

accent

#593AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B8AA1

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

Preview Lab → · Contrast checker → · Palette generator →