#1BB3A4#1BB3A4

#1BB3A4 is a light, moderate teal. Relative luminance 0.352; OKLCH L 69.1% C 0.118 H 184.1°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#1BB3A4
RGB	rgb(27, 179, 164)
HSL	hsl(174, 74%, 40%)
HSV	hsv(174, 85%, 70%)
CMYK	cmyk(84.9%, 0%, 8.4%, 29.8%)
CIE-LAB	lab(65.87, -40.08, -2.89)
CIE-LCH	lch(65.87, 40.18, 184.13°)
OKLab	oklab(69.11% -0.1177 -0.0085)
OKLCH	oklch(69.11% 0.118 184.1)
XYZ	xyz(23.2696, 35.1505, 40.6731)
Luminance	0.3515 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB3A4 #B31B2A

analogous

#1BB358 #1BB3A4 #1B76B3

triadic

#1BB3A4 #A41BB3 #B3A41B

tetradic

#1BB3A4 #581BB3 #B31B2A #76B31B

square

#1BB3A4 #581BB3 #B31B2A #76B31B

split-complementary

#1BB3A4 #B31B76 #B3581B

monochromatic

#0B4943 #137E73 #1BB3A4 #2CDFCD #61E7DA

Accessibility & contrast

On white

2.61

#1BB3A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#1BB3A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB3A4

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB3A4	#FFFFFF	#000000	##000000
##1BB3A4	1.00	2.61	8.03	8.03
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAA8A4

Deuteranopia (green-blind)

#979AA6

Tritanopia (blue-blind)

#00B7AE

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #1bb3a4;
/* rgb */ color: rgb(27, 179, 164);
/* oklch */ color: oklch(69.1% 0.118 184.1);

Tailwind

colors: {
  custom: {
    50: '#77cabe',
    500: '#1bb3a4',
    950: '#000000',
  },
}

SCSS

$custom: #1bb3a4;
$custom-light: #77cabe;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb3a4",
  "rgb": {
    "r": 27,
    "g": 179,
    "b": 164
  },
  "hsl": {
    "h": 174.079,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.69112,
    "c": 0.11803,
    "h": 184.1
  },
  "luminance": 0.35154
}

Semantic roles & 50–950 ramp

primary

#1BB3A4

secondary

#CC5E69

accent

#374AF0

background

#F8FCFB

surface

#EFF8F6

border

#CAD1D0

text

#0B1312

muted

#7C8281

Preview Lab

Preview with #1BB3A4

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

Preview Lab → · Contrast checker → · Palette generator →