#1B9FAA#1B9FAA

#1B9FAA is a light, moderate teal. Relative luminance 0.279; OKLCH L 64.3% C 0.105 H 203.9°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B9FAA
RGB	rgb(27, 159, 170)
HSL	hsl(185, 73%, 39%)
HSV	hsv(185, 84%, 67%)
CMYK	cmyk(84.1%, 6.5%, 0%, 33.3%)
CIE-LAB	lab(59.82, -28.93, -15.26)
CIE-LCH	lch(59.82, 32.71, 207.82°)
OKLab	oklab(64.26% -0.0957 -0.0425)
OKLCH	oklch(64.26% 0.105 203.9)
XYZ	xyz(20.1026, 27.9290, 42.3537)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9FAA #AA261B

analogous

#1BAA6D #1B9FAA #1B57AA

triadic

#1B9FAA #AA1B9F #9FAA1B

tetradic

#1B9FAA #6D1BAA #AA261B #57AA1B

square

#1B9FAA #6D1BAA #AA261B #57AA1B

split-complementary

#1B9FAA #AA1B57 #AA6D1B

monochromatic

#0A3C40 #136E75 #1B9FAA #26CEDC #5BDAE5

Accessibility & contrast

On white

3.19

#1B9FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#1B9FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9FAA

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9FAA	#FFFFFF	#000000	##000000
##1B9FAA	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9198AB

Deuteranopia (green-blind)

#7F8AAA

Tritanopia (blue-blind)

#00A6A2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1b9faa;
/* rgb */ color: rgb(27, 159, 170);
/* oklch */ color: oklch(64.3% 0.105 203.9);

Tailwind

colors: {
  custom: {
    50: '#75bcc3',
    500: '#1b9faa',
    950: '#000000',
  },
}

SCSS

$custom: #1b9faa;
$custom-light: #75bcc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9faa",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 170
  },
  "hsl": {
    "h": 184.615,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.64256,
    "c": 0.10469,
    "h": 203.9
  },
  "luminance": 0.27932
}

Semantic roles & 50–950 ramp

primary

#1B9FAA

secondary

#C96158

accent

#4739EF

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #1B9FAA

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

Preview Lab → · Contrast checker → · Palette generator →