#1B8AA8#1B8AA8

#1B8AA8 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 58.9% C 0.102 H 221.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B8AA8
RGB	rgb(27, 138, 168)
HSL	hsl(193, 72%, 38%)
HSV	hsv(193, 84%, 66%)
CMYK	cmyk(83.9%, 17.9%, 0%, 34.1%)
CIE-LAB	lab(53.21, -18.78, -24.23)
CIE-LCH	lch(53.21, 30.66, 232.22°)
OKLab	oklab(58.89% -0.0763 -0.0679)
OKLCH	oklch(58.89% 0.102 221.7)
XYZ	xyz(16.6054, 21.2350, 40.2618)
Luminance	0.2124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8AA8 #A8391B

analogous

#1BA87F #1B8AA8 #1B43A8

triadic

#1B8AA8 #A81B8A #8AA81B

tetradic

#1B8AA8 #7F1BA8 #A8391B #43A81B

square

#1B8AA8 #7F1BA8 #A8391B #43A81B

split-complementary

#1B8AA8 #A81B43 #A87F1B

monochromatic

#0A333F #135F73 #1B8AA8 #24B5DC #59C7E4

Accessibility & contrast

On white

4.00

#1B8AA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#1B8AA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8AA8

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8AA8	#FFFFFF	#000000	##000000
##1B8AA8	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7886AA

Deuteranopia (green-blind)

#6679A8

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #1b8aa8;
/* rgb */ color: rgb(27, 138, 168);
/* oklch */ color: oklch(58.9% 0.102 221.7);

Tailwind

colors: {
  custom: {
    50: '#72acc2',
    500: '#1b8aa8',
    950: '#000000',
  },
}

SCSS

$custom: #1b8aa8;
$custom-light: #72acc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8aa8",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 168
  },
  "hsl": {
    "h": 192.766,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.58888,
    "c": 0.10216,
    "h": 221.7
  },
  "luminance": 0.21237
}

Semantic roles & 50–950 ramp

primary

#1B8AA8

secondary

#C86F57

accent

#6039EF

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1B8AA8

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

Preview Lab → · Contrast checker → · Palette generator →