#1B8574#1B8574

#1B8574 is a mid, moderate teal. Relative luminance 0.183; OKLCH L 55.6% C 0.095 H 178.9°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B8574
RGB	rgb(27, 133, 116)
HSL	hsl(170, 66%, 31%)
HSV	hsv(170, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 12.8%, 47.8%)
CIE-LAB	lab(49.82, -32.94, 0.91)
CIE-LCH	lch(49.82, 32.95, 178.41°)
OKLab	oklab(55.55% -0.0947 0.0019)
OKLCH	oklch(55.55% 0.095 178.9)
XYZ	xyz(11.9903, 18.2675, 19.4137)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8574 #851B2C

analogous

#1B853F #1B8574 #1B6185

triadic

#1B8574 #741B85 #85741B

tetradic

#1B8574 #3F1B85 #851B2C #61851B

square

#1B8574 #3F1B85 #851B2C #61851B

split-complementary

#1B8574 #851B61 #853F1B

monochromatic

#061F1B #115248 #1B8574 #25B8A0 #42D9C0

Accessibility & contrast

On white

4.51

#1B8574 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#1B8574 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8574

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8574	#FFFFFF	#000000	##000000
##1B8574	1.00	4.51	4.65	4.65
#FFFFFF	4.51	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)

#7F7C73

Deuteranopia (green-blind)

#717275

Tritanopia (blue-blind)

#008780

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1b8574;
/* rgb */ color: rgb(27, 133, 116);
/* oklch */ color: oklch(55.6% 0.095 178.9);

Tailwind

colors: {
  custom: {
    50: '#6ba99c',
    500: '#1b8574',
    950: '#000000',
  },
}

SCSS

$custom: #1b8574;
$custom-light: #6ba99c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8574",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 116
  },
  "hsl": {
    "h": 170.377,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55551,
    "c": 0.09474,
    "h": 178.9
  },
  "luminance": 0.18269
}

Semantic roles & 50–950 ramp

primary

#1B8574

secondary

#B84456

accent

#3F5AE9

background

#F6FAF9

surface

#ECF4F2

border

#C7CECC

text

#08100E

muted

#7A7F7E

Preview Lab

Preview with #1B8574

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

Preview Lab → · Contrast checker → · Palette generator →