#1B877B#1B877B

#1B877B is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.3% C 0.094 H 183.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B877B
RGB	rgb(27, 135, 123)
HSL	hsl(173, 67%, 32%)
HSV	hsv(173, 80%, 53%)
CMYK	cmyk(80%, 0%, 8.9%, 47.1%)
CIE-LAB	lab(50.67, -31.84, -1.92)
CIE-LCH	lch(50.67, 31.90, 183.46°)
OKLab	oklab(56.32% -0.0933 -0.0057)
OKLCH	oklch(56.32% 0.094 183.5)
XYZ	xyz(12.6894, 18.9894, 21.7316)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B877B #871B27

analogous

#1B8745 #1B877B #1B5D87

triadic

#1B877B #7B1B87 #877B1B

tetradic

#1B877B #451B87 #871B27 #5D871B

square

#1B877B #451B87 #871B27 #5D871B

split-complementary

#1B877B #871B5D #87451B

monochromatic

#07211E #11544D #1B877B #25BAA9 #43D9C9

Accessibility & contrast

On white

4.38

#1B877B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#1B877B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B877B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B877B	#FFFFFF	#000000	##000000
##1B877B	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#807F7B

Deuteranopia (green-blind)

#72747C

Tritanopia (blue-blind)

#008A83

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1b877b;
/* rgb */ color: rgb(27, 135, 123);
/* oklch */ color: oklch(56.3% 0.094 183.5);

Tailwind

colors: {
  custom: {
    50: '#6caaa1',
    500: '#1b877b',
    950: '#000000',
  },
}

SCSS

$custom: #1b877b;
$custom-light: #6caaa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b877b",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 123
  },
  "hsl": {
    "h": 173.333,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56317,
    "c": 0.09352,
    "h": 183.5
  },
  "luminance": 0.18991
}

Semantic roles & 50–950 ramp

primary

#1B877B

secondary

#BA4451

accent

#3E51EA

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #1B877B

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

Preview Lab → · Contrast checker → · Palette generator →