#1BB3B3#1BB3B3

#1BB3B3 is a light, moderate teal. Relative luminance 0.357; OKLCH L 69.6% C 0.115 H 194.8°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#1BB3B3
RGB	rgb(27, 179, 179)
HSL	hsl(180, 74%, 40%)
HSV	hsv(180, 85%, 70%)
CMYK	cmyk(84.9%, 0%, 0%, 29.8%)
CIE-LAB	lab(66.31, -35.69, -10.55)
CIE-LCH	lch(66.31, 37.21, 196.47°)
OKLab	oklab(69.62% -0.1109 -0.0294)
OKLCH	oklch(69.62% 0.115 194.8)
XYZ	xyz(24.7049, 35.7247, 48.2326)
Luminance	0.3573 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB3B3 #B31B1B

analogous

#1BB367 #1BB3B3 #1B67B3

triadic

#1BB3B3 #B31BB3 #B3B31B

tetradic

#1BB3B3 #671BB3 #B31B1B #67B31B

square

#1BB3B3 #671BB3 #B31B1B #67B31B

split-complementary

#1BB3B3 #B31B67 #B3671B

monochromatic

#0B4949 #137E7E #1BB3B3 #2CDFDF #61E7E7

Accessibility & contrast

On white

2.58

#1BB3B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#1BB3B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB3B3

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB3B3	#FFFFFF	#000000	##000000
##1BB3B3	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)

#A6AAB3

Deuteranopia (green-blind)

#929BB4

Tritanopia (blue-blind)

#00B9B3

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #1bb3b3;
/* rgb */ color: rgb(27, 179, 179);
/* oklch */ color: oklch(69.6% 0.115 194.8);

Tailwind

colors: {
  custom: {
    50: '#79cac9',
    500: '#1bb3b3',
    950: '#000000',
  },
}

SCSS

$custom: #1bb3b3;
$custom-light: #79cac9;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb3b3",
  "rgb": {
    "r": 27,
    "g": 179,
    "b": 179
  },
  "hsl": {
    "h": 180,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.6962,
    "c": 0.11471,
    "h": 194.8
  },
  "luminance": 0.35728
}

Semantic roles & 50–950 ramp

primary

#1BB3B3

secondary

#CC5E5E

accent

#3737F0

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #1BB3B3

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

Preview Lab → · Contrast checker → · Palette generator →