#1B9EB4#1B9EB4

#1B9EB4 is a light, moderate teal. Relative luminance 0.280; OKLCH L 64.4% C 0.108 H 212.8°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B9EB4
RGB	rgb(27, 158, 180)
HSL	hsl(189, 74%, 41%)
HSV	hsv(189, 85%, 71%)
CMYK	cmyk(85%, 12.2%, 0%, 29.4%)
CIE-LAB	lab(59.87, -25.17, -20.84)
CIE-LCH	lch(59.87, 32.68, 219.63°)
OKLab	oklab(64.41% -0.0905 -0.0582)
OKLCH	oklch(64.41% 0.108 212.8)
XYZ	xyz(20.9135, 27.9793, 47.4695)
Luminance	0.2798 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9EB4 #B4311B

analogous

#1BB47D #1B9EB4 #1B52B4

triadic

#1B9EB4 #B41B9E #9EB41B

tetradic

#1B9EB4 #7D1BB4 #B4311B #52B41B

square

#1B9EB4 #7D1BB4 #B4311B #52B41B

split-complementary

#1B9EB4 #B41B52 #B47D1B

monochromatic

#0B414A #136F7F #1B9EB4 #2DC6DF #62D4E7

Accessibility & contrast

On white

3.18

#1B9EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#1B9EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9EB4

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9EB4	#FFFFFF	#000000	##000000
##1B9EB4	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B5

Deuteranopia (green-blind)

#7A8AB4

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1b9eb4;
/* rgb */ color: rgb(27, 158, 180);
/* oklch */ color: oklch(64.4% 0.108 212.8);

Tailwind

colors: {
  custom: {
    50: '#76bbca',
    500: '#1b9eb4',
    950: '#000000',
  },
}

SCSS

$custom: #1b9eb4;
$custom-light: #76bbca;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9eb4",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 180
  },
  "hsl": {
    "h": 188.627,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.64411,
    "c": 0.10758,
    "h": 212.8
  },
  "luminance": 0.27982
}

Semantic roles & 50–950 ramp

primary

#1B9EB4

secondary

#CC6E5F

accent

#5237F1

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #1B9EB4

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

Preview Lab → · Contrast checker → · Palette generator →