#1B818C#1B818C

#1B818C is a mid, moderate teal. Relative luminance 0.178; OKLCH L 55.4% C 0.088 H 206.1°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B818C
RGB	rgb(27, 129, 140)
HSL	hsl(186, 68%, 33%)
HSV	hsv(186, 81%, 55%)
CMYK	cmyk(80.7%, 7.9%, 0%, 45.1%)
CIE-LAB	lab(49.28, -23.56, -13.95)
CIE-LCH	lch(49.28, 27.38, 210.64°)
OKLab	oklab(55.37% -0.0792 -0.0388)
OKLCH	oklch(55.37% 0.088 206.1)
XYZ	xyz(13.0338, 17.8254, 27.5596)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B818C #8C261B

analogous

#1B8C5F #1B818C #1B488C

triadic

#1B818C #8C1B81 #818C1B

tetradic

#1B818C #5F1B8C #8C261B #488C1B

square

#1B818C #5F1B8C #8C261B #488C1B

split-complementary

#1B818C #8C1B48 #8C5F1B

monochromatic

#072225 #115259 #1B818C #25B0BF #46CDDB

Accessibility & contrast

On white

4.60

#1B818C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#1B818C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B818C

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B818C	#FFFFFF	#000000	##FFFFFF
##1B818C	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757C8D

Deuteranopia (green-blind)

#66708C

Tritanopia (blue-blind)

#008784

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b818c;
/* rgb */ color: rgb(27, 129, 140);
/* oklch */ color: oklch(55.4% 0.088 206.1);

Tailwind

colors: {
  custom: {
    50: '#6da6ad',
    500: '#1b818c',
    950: '#000000',
  },
}

SCSS

$custom: #1b818c;
$custom-light: #6da6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b818c",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 140
  },
  "hsl": {
    "h": 185.841,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5537,
    "c": 0.08819,
    "h": 206.1
  },
  "luminance": 0.17827
}

Semantic roles & 50–950 ramp

primary

#1B818C

secondary

#BD5146

accent

#4E3DEB

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1B818C

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

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