#1BB4B0#1BB4B0

#1BB4B0 is a light, moderate teal. Relative luminance 0.360; OKLCH L 69.8% C 0.116 H 191.9°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1BB4B0
RGB	rgb(27, 180, 176)
HSL	hsl(178, 74%, 41%)
HSV	hsv(178, 85%, 71%)
CMYK	cmyk(85%, 0%, 2.2%, 29.4%)
CIE-LAB	lab(66.53, -37.04, -8.56)
CIE-LCH	lch(66.53, 38.02, 193.02°)
OKLab	oklab(69.77% -0.1132 -0.0239)
OKLCH	oklch(69.77% 0.116 191.9)
XYZ	xyz(24.6060, 36.0069, 46.7190)
Luminance	0.3601 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB4B0 #B41B1F

analogous

#1BB463 #1BB4B0 #1B6CB4

triadic

#1BB4B0 #B01BB4 #B4B01B

tetradic

#1BB4B0 #631BB4 #B41B1F #6CB41B

square

#1BB4B0 #631BB4 #B41B1F #6CB41B

split-complementary

#1BB4B0 #B41B6C #B4631B

monochromatic

#0B4A48 #137F7C #1BB4B0 #2DDFDB #62E7E4

Accessibility & contrast

On white

2.56

#1BB4B0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#1BB4B0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB4B0

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB4B0	#FFFFFF	#000000	##000000
##1BB4B0	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8AAB0

Deuteranopia (green-blind)

#949CB1

Tritanopia (blue-blind)

#00B9B2

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #1bb4b0;
/* rgb */ color: rgb(27, 180, 176);
/* oklch */ color: oklch(69.8% 0.116 191.9);

Tailwind

colors: {
  custom: {
    50: '#79cbc7',
    500: '#1bb4b0',
    950: '#000000',
  },
}

SCSS

$custom: #1bb4b0;
$custom-light: #79cbc7;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb4b0",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 176
  },
  "hsl": {
    "h": 178.431,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.69766,
    "c": 0.11568,
    "h": 191.9
  },
  "luminance": 0.3601
}

Semantic roles & 50–950 ramp

primary

#1BB4B0

secondary

#CC5F62

accent

#373CF1

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #1BB4B0

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

Preview Lab → · Contrast checker → · Palette generator →