#1B818E#1B818E

#1B818E is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.5% C 0.089 H 208.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B818E
RGB	rgb(27, 129, 142)
HSL	hsl(187, 68%, 33%)
HSV	hsv(187, 81%, 56%)
CMYK	cmyk(81%, 9.2%, 0%, 44.3%)
CIE-LAB	lab(49.36, -22.89, -15.02)
CIE-LCH	lch(49.36, 27.38, 213.27°)
OKLab	oklab(55.45% -0.0783 -0.0418)
OKLCH	oklch(55.45% 0.089 208.1)
XYZ	xyz(13.1826, 17.8849, 28.3433)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B818E #8E281B

analogous

#1B8E61 #1B818E #1B478E

triadic

#1B818E #8E1B81 #818E1B

tetradic

#1B818E #611B8E #8E281B #478E1B

square

#1B818E #611B8E #8E281B #478E1B

split-complementary

#1B818E #8E1B47 #8E611B

monochromatic

#072427 #11525B #1B818E #25B0C1 #47CBDC

Accessibility & contrast

On white

4.59

#1B818E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1B818E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B818E

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B818E	#FFFFFF	#000000	##FFFFFF
##1B818E	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757C8F

Deuteranopia (green-blind)

#65708E

Tritanopia (blue-blind)

#008785

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b818e;
/* rgb */ color: rgb(27, 129, 142);
/* oklch */ color: oklch(55.5% 0.089 208.1);

Tailwind

colors: {
  custom: {
    50: '#6da6af',
    500: '#1b818e',
    950: '#000000',
  },
}

SCSS

$custom: #1b818e;
$custom-light: #6da6af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b818e",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 142
  },
  "hsl": {
    "h": 186.783,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.55453,
    "c": 0.08876,
    "h": 208.1
  },
  "luminance": 0.17887
}

Semantic roles & 50–950 ramp

primary

#1B818E

secondary

#BE5447

accent

#513DEB

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1B818E

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

Preview Lab → · Contrast checker → · Palette generator →