#1BB4B4#1BB4B4

#1BB4B4 is a light, moderate teal. Relative luminance 0.362; OKLCH L 69.9% C 0.115 H 194.8°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#1BB4B4
RGB	rgb(27, 180, 180)
HSL	hsl(180, 74%, 41%)
HSV	hsv(180, 85%, 71%)
CMYK	cmyk(85%, 0%, 0%, 29.4%)
CIE-LAB	lab(66.65, -35.85, -10.60)
CIE-LCH	lch(66.65, 37.38, 196.47°)
OKLab	oklab(69.91% -0.1114 -0.0295)
OKLCH	oklch(69.91% 0.115 194.8)
XYZ	xyz(25.0076, 36.1676, 48.8342)
Luminance	0.3617 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB4B4 #B41B1B

analogous

#1BB467 #1BB4B4 #1B67B4

triadic

#1BB4B4 #B41BB4 #B4B41B

tetradic

#1BB4B4 #671BB4 #B41B1B #67B41B

square

#1BB4B4 #671BB4 #B41B1B #67B41B

split-complementary

#1BB4B4 #B41B67 #B4671B

monochromatic

#0B4A4A #137F7F #1BB4B4 #2DDFDF #62E7E7

Accessibility & contrast

On white

2.55

#1BB4B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#1BB4B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB4B4

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB4B4	#FFFFFF	#000000	##000000
##1BB4B4	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)

#A7ABB4

Deuteranopia (green-blind)

#939CB5

Tritanopia (blue-blind)

#00BAB4

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #1bb4b4;
/* rgb */ color: rgb(27, 180, 180);
/* oklch */ color: oklch(69.9% 0.115 194.8);

Tailwind

colors: {
  custom: {
    50: '#79cbca',
    500: '#1bb4b4',
    950: '#000000',
  },
}

SCSS

$custom: #1bb4b4;
$custom-light: #79cbca;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb4b4",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 180
  },
  "hsl": {
    "h": 180,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.69906,
    "c": 0.11523,
    "h": 194.8
  },
  "luminance": 0.36171
}

Semantic roles & 50–950 ramp

primary

#1BB4B4

secondary

#CC5F5F

accent

#3737F1

background

#F8FCFC

surface

#EFF8F8

border

#CAD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #1BB4B4

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

Preview Lab → · Contrast checker → · Palette generator →