#1B8573#1B8573

#1B8573 is a mid, moderate teal. Relative luminance 0.182; OKLCH L 55.5% C 0.095 H 178.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B8573
RGB	rgb(27, 133, 115)
HSL	hsl(170, 66%, 31%)
HSV	hsv(170, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 13.5%, 47.8%)
CIE-LAB	lab(49.79, -33.22, 1.46)
CIE-LCH	lch(49.79, 33.25, 177.49°)
OKLab	oklab(55.52% -0.0952 0.0033)
OKLCH	oklch(55.52% 0.095 178)
XYZ	xyz(11.9325, 18.2444, 19.1090)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8573 #851B2D

analogous

#1B853E #1B8573 #1B6285

triadic

#1B8573 #731B85 #85731B

tetradic

#1B8573 #3E1B85 #851B2D #62851B

square

#1B8573 #3E1B85 #851B2D #62851B

split-complementary

#1B8573 #851B62 #853E1B

monochromatic

#061F1B #115247 #1B8573 #25B89F #42D9BF

Accessibility & contrast

On white

4.52

#1B8573 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#1B8573 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8573

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8573	#FFFFFF	#000000	##000000
##1B8573	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7C72

Deuteranopia (green-blind)

#727274

Tritanopia (blue-blind)

#008780

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b8573;
/* rgb */ color: rgb(27, 133, 115);
/* oklch */ color: oklch(55.5% 0.095 178.0);

Tailwind

colors: {
  custom: {
    50: '#6ba99b',
    500: '#1b8573',
    950: '#000000',
  },
}

SCSS

$custom: #1b8573;
$custom-light: #6ba99b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8573",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 115
  },
  "hsl": {
    "h": 169.811,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55519,
    "c": 0.09528,
    "h": 178
  },
  "luminance": 0.18246
}

Semantic roles & 50–950 ramp

primary

#1B8573

secondary

#B84457

accent

#3F5CE9

background

#F6FAF9

surface

#ECF4F2

border

#C7CECC

text

#08100E

muted

#7A7F7E

Preview Lab

Preview with #1B8573

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

Preview Lab → · Contrast checker → · Palette generator →