#1B7383#1B7383

#1B7383 is a mid, moderate teal. Relative luminance 0.141; OKLCH L 51.3% C 0.082 H 213.0°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B7383
RGB	rgb(27, 115, 131)
HSL	hsl(189, 66%, 31%)
HSV	hsv(189, 79%, 51%)
CMYK	cmyk(79.4%, 12.2%, 0%, 48.6%)
CIE-LAB	lab(44.42, -19.18, -16.02)
CIE-LCH	lch(44.42, 24.99, 219.87°)
OKLab	oklab(51.33% -0.0687 -0.0447)
OKLCH	oklch(51.33% 0.082 213)
XYZ	xyz(10.6777, 14.1319, 23.6333)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7383 #832B1B

analogous

#1B835F #1B7383 #1B3F83

triadic

#1B7383 #831B73 #73831B

tetradic

#1B7383 #5F1B83 #832B1B #3F831B

square

#1B7383 #5F1B83 #832B1B #3F831B

split-complementary

#1B7383 #831B3F #835F1B

monochromatic

#061A1E #114650 #1B7383 #25A0B6 #41C1D8

Accessibility & contrast

On white

5.49

#1B7383 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#1B7383 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7383

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7383	#FFFFFF	#000000	##FFFFFF
##1B7383	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676F84

Deuteranopia (green-blind)

#596583

Tritanopia (blue-blind)

#007978

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1b7383;
/* rgb */ color: rgb(27, 115, 131);
/* oklch */ color: oklch(51.3% 0.082 213.0);

Tailwind

colors: {
  custom: {
    50: '#6a9ba7',
    500: '#1b7383',
    950: '#000000',
  },
}

SCSS

$custom: #1b7383;
$custom-light: #6a9ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7383",
  "rgb": {
    "r": 27,
    "g": 115,
    "b": 131
  },
  "hsl": {
    "h": 189.231,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.51331,
    "c": 0.08196,
    "h": 213
  },
  "luminance": 0.14133
}

Semantic roles & 50–950 ramp

primary

#1B7383

secondary

#B65543

accent

#593FE9

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070E0F

muted

#7A7E7F

Preview Lab

Preview with #1B7383

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

Preview Lab → · Contrast checker → · Palette generator →