#1B909F#1B909F

#1B909F is a mid, moderate teal. Relative luminance 0.227; OKLCH L 60.0% C 0.098 H 208.5°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B909F
RGB	rgb(27, 144, 159)
HSL	hsl(187, 71%, 36%)
HSV	hsv(187, 83%, 62%)
CMYK	cmyk(83%, 9.4%, 0%, 37.6%)
CIE-LAB	lab(54.74, -24.98, -16.70)
CIE-LCH	lch(54.74, 30.05, 213.76°)
OKLab	oklab(60.01% -0.0858 -0.0465)
OKLCH	oklch(60.01% 0.098 208.5)
XYZ	xyz(16.6805, 22.6806, 36.2928)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B909F #9F2A1B

analogous

#1B9F6C #1B909F #1B4E9F

triadic

#1B909F #9F1B90 #909F1B

tetradic

#1B909F #6C1B9F #9F2A1B #4E9F1B

square

#1B909F #6C1B9F #9F2A1B #4E9F1B

split-complementary

#1B909F #9F1B4E #9F6C1B

monochromatic

#093136 #12616B #1B909F #24BFD3 #53D1E2

Accessibility & contrast

On white

3.79

#1B909F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#1B909F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B909F

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B909F	#FFFFFF	#000000	##000000
##1B909F	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828AA0

Deuteranopia (green-blind)

#717E9F

Tritanopia (blue-blind)

#009794

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b909f;
/* rgb */ color: rgb(27, 144, 159);
/* oklch */ color: oklch(60.0% 0.098 208.5);

Tailwind

colors: {
  custom: {
    50: '#72b1bb',
    500: '#1b909f',
    950: '#000000',
  },
}

SCSS

$custom: #1b909f;
$custom-light: #72b1bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b909f",
  "rgb": {
    "r": 27,
    "g": 144,
    "b": 159
  },
  "hsl": {
    "h": 186.818,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.60013,
    "c": 0.09765,
    "h": 208.5
  },
  "luminance": 0.22683
}

Semantic roles & 50–950 ramp

primary

#1B909F

secondary

#C55E51

accent

#4E3AEE

background

#F7FAFB

surface

#EEF5F6

border

#C9CFD0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #1B909F

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

Preview Lab → · Contrast checker → · Palette generator →