#1BB3B4#1BB3B4

#1BB3B4 is a light, moderate teal. Relative luminance 0.358; OKLCH L 69.7% C 0.115 H 195.6°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#1BB3B4
RGB	rgb(27, 179, 180)
HSL	hsl(180, 74%, 41%)
HSV	hsv(180, 85%, 71%)
CMYK	cmyk(85%, 0.6%, 0%, 29.4%)
CIE-LAB	lab(66.34, -35.38, -11.06)
CIE-LCH	lch(66.34, 37.07, 197.35°)
OKLab	oklab(69.66% -0.1104 -0.0308)
OKLCH	oklch(69.66% 0.115 195.6)
XYZ	xyz(24.8064, 35.7653, 48.7671)
Luminance	0.3577 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB3B4 #B41C1B

analogous

#1BB468 #1BB3B4 #1B66B4

triadic

#1BB3B4 #B41BB3 #B3B41B

tetradic

#1BB3B4 #681BB4 #B41C1B #66B41B

square

#1BB3B4 #681BB4 #B41C1B #66B41B

split-complementary

#1BB3B4 #B41B66 #B4681B

monochromatic

#0B494A #137E7F #1BB3B4 #2DDEDF #62E7E7

Accessibility & contrast

On white

2.58

#1BB3B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#1BB3B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB3B4

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB3B4	#FFFFFF	#000000	##000000
##1BB3B4	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6AAB4

Deuteranopia (green-blind)

#929BB5

Tritanopia (blue-blind)

#00B9B3

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #1bb3b4;
/* rgb */ color: rgb(27, 179, 180);
/* oklch */ color: oklch(69.7% 0.115 195.6);

Tailwind

colors: {
  custom: {
    50: '#79caca',
    500: '#1bb3b4',
    950: '#000000',
  },
}

SCSS

$custom: #1bb3b4;
$custom-light: #79caca;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb3b4",
  "rgb": {
    "r": 27,
    "g": 179,
    "b": 180
  },
  "hsl": {
    "h": 180.392,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.69656,
    "c": 0.11465,
    "h": 195.6
  },
  "luminance": 0.35768
}

Semantic roles & 50–950 ramp

primary

#1BB3B4

secondary

#CC5F5F

accent

#3837F1

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #1BB3B4

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

Preview Lab → · Contrast checker → · Palette generator →