#1B9EB3#1B9EB3

#1B9EB3 is a light, moderate teal. Relative luminance 0.279; OKLCH L 64.4% C 0.107 H 212.0°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B9EB3
RGB	rgb(27, 158, 179)
HSL	hsl(188, 74%, 40%)
HSV	hsv(188, 85%, 70%)
CMYK	cmyk(84.9%, 11.7%, 0%, 29.8%)
CIE-LAB	lab(59.83, -25.50, -20.33)
CIE-LCH	lch(59.83, 32.62, 218.57°)
OKLab	oklab(64.37% -0.0909 -0.0568)
OKLCH	oklch(64.37% 0.107 212)
XYZ	xyz(20.8120, 27.9387, 46.9349)
Luminance	0.2794 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9EB3 #B3301B

analogous

#1BB37C #1B9EB3 #1B52B3

triadic

#1B9EB3 #B31B9E #9EB31B

tetradic

#1B9EB3 #7C1BB3 #B3301B #52B31B

square

#1B9EB3 #7C1BB3 #B3301B #52B31B

split-complementary

#1B9EB3 #B31B52 #B37C1B

monochromatic

#0B4049 #136F7E #1B9EB3 #2CC6DF #61D5E7

Accessibility & contrast

On white

3.19

#1B9EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#1B9EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9EB3

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9EB3	#FFFFFF	#000000	##000000
##1B9EB3	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B4

Deuteranopia (green-blind)

#7A8AB3

Tritanopia (blue-blind)

#00A7A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1b9eb3;
/* rgb */ color: rgb(27, 158, 179);
/* oklch */ color: oklch(64.4% 0.107 212.0);

Tailwind

colors: {
  custom: {
    50: '#76bbc9',
    500: '#1b9eb3',
    950: '#000000',
  },
}

SCSS

$custom: #1b9eb3;
$custom-light: #76bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9eb3",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 179
  },
  "hsl": {
    "h": 188.289,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.64369,
    "c": 0.10716,
    "h": 212
  },
  "luminance": 0.27941
}

Semantic roles & 50–950 ramp

primary

#1B9EB3

secondary

#CC6D5E

accent

#5137F0

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #1B9EB3

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

Preview Lab → · Contrast checker → · Palette generator →