#1B879B#1B879B

#1B879B is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.5% C 0.095 H 213.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#1B879B
RGB	rgb(27, 135, 155)
HSL	hsl(189, 70%, 36%)
HSV	hsv(189, 83%, 61%)
CMYK	cmyk(82.6%, 12.9%, 0%, 39.2%)
CIE-LAB	lab(51.75, -21.66, -18.95)
CIE-LCH	lch(51.75, 28.78, 221.18°)
OKLab	oklab(57.55% -0.0787 -0.0529)
OKLCH	oklch(57.55% 0.095 213.9)
XYZ	xyz(15.0298, 19.9256, 34.0579)
Luminance	0.1993 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B879B #9B2F1B

analogous

#1B9B6F #1B879B #1B479B

triadic

#1B879B #9B1B87 #879B1B

tetradic

#1B879B #6F1B9B #9B2F1B #479B1B

square

#1B879B #6F1B9B #9B2F1B #479B1B

split-complementary

#1B879B #9B1B47 #9B6F1B

monochromatic

#092C33 #125A67 #1B879B #24B4CF #50CAE0

Accessibility & contrast

On white

4.21

#1B879B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#1B879B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B879B

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B879B	#FFFFFF	#000000	##000000
##1B879B	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79829C

Deuteranopia (green-blind)

#68769B

Tritanopia (blue-blind)

#008F8D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #1b879b;
/* rgb */ color: rgb(27, 135, 155);
/* oklch */ color: oklch(57.5% 0.095 213.9);

Tailwind

colors: {
  custom: {
    50: '#70aab8',
    500: '#1b879b',
    950: '#000000',
  },
}

SCSS

$custom: #1b879b;
$custom-light: #70aab8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b879b",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 155
  },
  "hsl": {
    "h": 189.375,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57549,
    "c": 0.09482,
    "h": 213.9
  },
  "luminance": 0.19928
}

Semantic roles & 50–950 ramp

primary

#1B879B

secondary

#C3614F

accent

#573BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #1B879B

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

Preview Lab → · Contrast checker → · Palette generator →