#1B8579#1B8579

#1B8579 is a mid, moderate teal. Relative luminance 0.184; OKLCH L 55.7% C 0.092 H 183.3°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B8579
RGB	rgb(27, 133, 121)
HSL	hsl(173, 66%, 31%)
HSV	hsv(173, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 9%, 47.8%)
CIE-LAB	lab(49.96, -31.49, -1.80)
CIE-LCH	lch(49.96, 31.54, 183.27°)
OKLab	oklab(55.72% -0.0922 -0.0054)
OKLCH	oklch(55.72% 0.092 183.3)
XYZ	xyz(12.2890, 18.3870, 20.9868)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8579 #851B27

analogous

#1B8544 #1B8579 #1B5C85

triadic

#1B8579 #791B85 #85791B

tetradic

#1B8579 #441B85 #851B27 #5C851B

square

#1B8579 #441B85 #851B27 #5C851B

split-complementary

#1B8579 #851B5C #85441B

monochromatic

#061F1C #11524B #1B8579 #25B8A7 #42D9C8

Accessibility & contrast

On white

4.49

#1B8579 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#1B8579 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8579

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8579	#FFFFFF	#000000	##000000
##1B8579	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7D79

Deuteranopia (green-blind)

#70737A

Tritanopia (blue-blind)

#008881

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1b8579;
/* rgb */ color: rgb(27, 133, 121);
/* oklch */ color: oklch(55.7% 0.092 183.3);

Tailwind

colors: {
  custom: {
    50: '#6ca99f',
    500: '#1b8579',
    950: '#000000',
  },
}

SCSS

$custom: #1b8579;
$custom-light: #6ca99f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8579",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 121
  },
  "hsl": {
    "h": 173.208,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55716,
    "c": 0.09241,
    "h": 183.3
  },
  "luminance": 0.18389
}

Semantic roles & 50–950 ramp

primary

#1B8579

secondary

#B84451

accent

#3F52E9

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #1B8579

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

Preview Lab → · Contrast checker → · Palette generator →