#1B9EA1#1B9EA1

#1B9EA1 is a light, moderate teal. Relative luminance 0.273; OKLCH L 63.7% C 0.103 H 197.4°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B9EA1
RGB	rgb(27, 158, 161)
HSL	hsl(181, 71%, 37%)
HSV	hsv(181, 83%, 63%)
CMYK	cmyk(83.2%, 1.9%, 0%, 36.9%)
CIE-LAB	lab(59.21, -31.28, -11.09)
CIE-LCH	lch(59.21, 33.19, 199.53°)
OKLab	oklab(63.66% -0.0987 -0.0309)
OKLCH	oklch(63.66% 0.103 197.4)
XYZ	xyz(19.1089, 27.2575, 37.9654)
Luminance	0.2726 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9EA1 #A11E1B

analogous

#1BA161 #1B9EA1 #1B5BA1

triadic

#1B9EA1 #A11B9E #9EA11B

tetradic

#1B9EA1 #611BA1 #A11E1B #5BA11B

square

#1B9EA1 #611BA1 #A11E1B #5BA11B

split-complementary

#1B9EA1 #A11B5B #A1611B

monochromatic

#093738 #126B6D #1B9EA1 #24D1D5 #54DFE2

Accessibility & contrast

On white

3.25

#1B9EA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#1B9EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9EA1

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9EA1	#FFFFFF	#000000	##000000
##1B9EA1	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9296A1

Deuteranopia (green-blind)

#8089A2

Tritanopia (blue-blind)

#00A49F

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #1b9ea1;
/* rgb */ color: rgb(27, 158, 161);
/* oklch */ color: oklch(63.7% 0.103 197.4);

Tailwind

colors: {
  custom: {
    50: '#74bbbc',
    500: '#1b9ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1b9ea1;
$custom-light: #74bbbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9ea1",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 161
  },
  "hsl": {
    "h": 181.343,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.63659,
    "c": 0.10341,
    "h": 197.4
  },
  "luminance": 0.2726
}

Semantic roles & 50–950 ramp

primary

#1B9EA1

secondary

#C55552

accent

#3E3AEE

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #1B9EA1

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

Preview Lab → · Contrast checker → · Palette generator →