#1CB5BC#1CB5BC

#1CB5BC is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.5% C 0.116 H 199.9°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1CB5BC
RGB	rgb(28, 181, 188)
HSL	hsl(183, 74%, 42%)
HSV	hsv(183, 85%, 74%)
CMYK	cmyk(85.1%, 3.7%, 0%, 26.3%)
CIE-LAB	lab(67.22, -33.81, -14.16)
CIE-LCH	lch(67.22, 36.66, 202.73°)
OKLab	oklab(70.46% -0.1086 -0.0394)
OKLCH	oklch(70.46% 0.116 199.9)
XYZ	xyz(26.0757, 36.9221, 53.3195)
Luminance	0.3693 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1CB5BC #BC231C

analogous

#1CBC73 #1CB5BC #1C65BC

triadic

#1CB5BC #BC1CB5 #B5BC1C

tetradic

#1CB5BC #731CBC #BC231C #65BC1C

square

#1CB5BC #731CBC #BC231C #65BC1C

split-complementary

#1CB5BC #BC1C65 #BC731C

monochromatic

#0C4E51 #148287 #1CB5BC #34D9E1 #6AE3E9

Accessibility & contrast

On white

2.50

#1CB5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#1CB5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1CB5BC

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1CB5BC	#FFFFFF	#000000	##000000
##1CB5BC	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACBD

Deuteranopia (green-blind)

#929DBD

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #1cb5bc;
/* rgb */ color: rgb(28, 181, 188);
/* oklch */ color: oklch(70.5% 0.116 199.9);

Tailwind

colors: {
  custom: {
    50: '#7acbd0',
    500: '#1cb5bc',
    950: '#000000',
  },
}

SCSS

$custom: #1cb5bc;
$custom-light: #7acbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#1cb5bc",
  "rgb": {
    "r": 28,
    "g": 181,
    "b": 188
  },
  "hsl": {
    "h": 182.625,
    "s": 74.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.70458,
    "c": 0.11553,
    "h": 199.9
  },
  "luminance": 0.36925
}

Semantic roles & 50–950 ramp

primary

#1CB5BC

secondary

#CE6A65

accent

#3F37F1

background

#F8FCFC

surface

#EFF8F9

border

#CAD1D2

text

#0B1314

muted

#7C8282

Preview Lab

Preview with #1CB5BC

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

Preview Lab → · Contrast checker → · Palette generator →