#1B7783#1B7783

#1B7783 is a mid, moderate teal. Relative luminance 0.151; OKLCH L 52.4% C 0.083 H 208.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#1B7783
RGB	rgb(27, 119, 131)
HSL	hsl(187, 66%, 31%)
HSV	hsv(187, 79%, 51%)
CMYK	cmyk(79.4%, 9.2%, 0%, 48.6%)
CIE-LAB	lab(45.72, -21.32, -14.04)
CIE-LCH	lch(45.72, 25.53, 213.36°)
OKLab	oklab(52.38% -0.0729 -0.0391)
OKLCH	oklch(52.38% 0.083 208.2)
XYZ	xyz(11.1438, 15.0640, 23.7886)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7783 #83271B

analogous

#1B835B #1B7783 #1B4383

triadic

#1B7783 #831B77 #77831B

tetradic

#1B7783 #5B1B83 #83271B #43831B

square

#1B7783 #5B1B83 #83271B #43831B

split-complementary

#1B7783 #831B43 #835B1B

monochromatic

#061B1E #114950 #1B7783 #25A5B6 #41C6D8

Accessibility & contrast

On white

5.23

#1B7783 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#1B7783 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7783

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7783	#FFFFFF	#000000	##FFFFFF
##1B7783	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7284

Deuteranopia (green-blind)

#5E6883

Tritanopia (blue-blind)

#007D7B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1b7783;
/* rgb */ color: rgb(27, 119, 131);
/* oklch */ color: oklch(52.4% 0.083 208.2);

Tailwind

colors: {
  custom: {
    50: '#6b9ea7',
    500: '#1b7783',
    950: '#000000',
  },
}

SCSS

$custom: #1b7783;
$custom-light: #6b9ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7783",
  "rgb": {
    "r": 27,
    "g": 119,
    "b": 131
  },
  "hsl": {
    "h": 186.923,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.52381,
    "c": 0.08271,
    "h": 208.2
  },
  "luminance": 0.15065
}

Semantic roles & 50–950 ramp

primary

#1B7783

secondary

#B65143

accent

#533FE9

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #1B7783

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

Preview Lab → · Contrast checker → · Palette generator →