#1BB4B3#1BB4B3

#1BB4B3 is a light, moderate teal. Relative luminance 0.361; OKLCH L 69.9% C 0.115 H 194.1°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#1BB4B3
RGB	rgb(27, 180, 179)
HSL	hsl(180, 74%, 41%)
HSV	hsv(180, 85%, 71%)
CMYK	cmyk(85%, 0%, 0.6%, 29.4%)
CIE-LAB	lab(66.62, -36.15, -10.09)
CIE-LCH	lch(66.62, 37.53, 195.59°)
OKLab	oklab(69.87% -0.1118 -0.0281)
OKLCH	oklch(69.87% 0.115 194.1)
XYZ	xyz(24.9061, 36.1270, 48.2996)
Luminance	0.3613 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB4B3 #B41B1C

analogous

#1BB466 #1BB4B3 #1B68B4

triadic

#1BB4B3 #B31BB4 #B4B31B

tetradic

#1BB4B3 #661BB4 #B41B1C #68B41B

square

#1BB4B3 #661BB4 #B41B1C #68B41B

split-complementary

#1BB4B3 #B41B68 #B4661B

monochromatic

#0B4A49 #137F7E #1BB4B3 #2DDFDE #62E7E7

Accessibility & contrast

On white

2.55

#1BB4B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#1BB4B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB4B3

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB4B3	#FFFFFF	#000000	##000000
##1BB4B3	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ABB3

Deuteranopia (green-blind)

#949CB4

Tritanopia (blue-blind)

#00BAB3

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #1bb4b3;
/* rgb */ color: rgb(27, 180, 179);
/* oklch */ color: oklch(69.9% 0.115 194.1);

Tailwind

colors: {
  custom: {
    50: '#79cbc9',
    500: '#1bb4b3',
    950: '#000000',
  },
}

SCSS

$custom: #1bb4b3;
$custom-light: #79cbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb4b3",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 179
  },
  "hsl": {
    "h": 179.608,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.69871,
    "c": 0.11532,
    "h": 194.1
  },
  "luminance": 0.3613
}

Semantic roles & 50–950 ramp

primary

#1BB4B3

secondary

#CC5F5F

accent

#3738F1

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #1BB4B3

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

Preview Lab → · Contrast checker → · Palette generator →