#1B9FB4#1B9FB4

#1B9FB4 is a light, moderate teal. Relative luminance 0.283; OKLCH L 64.7% C 0.108 H 211.9°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#1B9FB4
RGB	rgb(27, 159, 180)
HSL	hsl(188, 74%, 41%)
HSV	hsv(188, 85%, 71%)
CMYK	cmyk(85%, 11.7%, 0%, 29.4%)
CIE-LAB	lab(60.18, -25.68, -20.37)
CIE-LCH	lch(60.18, 32.78, 218.43°)
OKLab	oklab(64.66% -0.0914 -0.0569)
OKLCH	oklch(64.66% 0.108 211.9)
XYZ	xyz(21.0847, 28.3219, 47.5266)
Luminance	0.2833 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9FB4 #B4301B

analogous

#1BB47C #1B9FB4 #1B53B4

triadic

#1B9FB4 #B41B9F #9FB41B

tetradic

#1B9FB4 #7C1BB4 #B4301B #53B41B

square

#1B9FB4 #7C1BB4 #B4301B #53B41B

split-complementary

#1B9FB4 #B41B53 #B47C1B

monochromatic

#0B414A #13707F #1B9FB4 #2DC7DF #62D5E7

Accessibility & contrast

On white

3.15

#1B9FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#1B9FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9FB4

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9FB4	#FFFFFF	#000000	##000000
##1B9FB4	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B5

Deuteranopia (green-blind)

#7B8BB4

Tritanopia (blue-blind)

#00A8A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #1b9fb4;
/* rgb */ color: rgb(27, 159, 180);
/* oklch */ color: oklch(64.7% 0.108 211.9);

Tailwind

colors: {
  custom: {
    50: '#76bbca',
    500: '#1b9fb4',
    950: '#000000',
  },
}

SCSS

$custom: #1b9fb4;
$custom-light: #76bbca;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9fb4",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 180
  },
  "hsl": {
    "h": 188.235,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.6466,
    "c": 0.10767,
    "h": 211.9
  },
  "luminance": 0.28325
}

Semantic roles & 50–950 ramp

primary

#1B9FB4

secondary

#CC6E5F

accent

#5137F1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #1B9FB4

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

Preview Lab → · Contrast checker → · Palette generator →