#1B5255#1B5255

#1B5255 is a dark, muted teal. Relative luminance 0.069; OKLCH L 40.4% C 0.057 H 200.3°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B5255
RGB	rgb(27, 82, 85)
HSL	hsl(183, 52%, 22%)
HSV	hsv(183, 68%, 33%)
CMYK	cmyk(68.2%, 3.5%, 0%, 66.7%)
CIE-LAB	lab(31.63, -16.61, -7.08)
CIE-LCH	lch(31.63, 18.06, 203.07°)
OKLab	oklab(40.43% -0.0531 -0.0196)
OKLCH	oklch(40.43% 0.057 200.3)
XYZ	xyz(5.1083, 6.9229, 9.6596)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5255 #551E1B

analogous

#1B553B #1B5255 #1B3555

triadic

#1B5255 #551B52 #52551B

tetradic

#1B5255 #3B1B55 #551E1B #35551B

square

#1B5255 #3B1B55 #551E1B #35551B

split-complementary

#1B5255 #551B35 #553B1B

monochromatic

#071617 #0C2527 #1B5255 #2A7F83 #39ACB2

Accessibility & contrast

On white

8.81

#1B5255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1B5255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5255

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5255	#FFFFFF	#000000	##FFFFFF
##1B5255	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4E55

Deuteranopia (green-blind)

#434855

Tritanopia (blue-blind)

#005553

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b5255;
/* rgb */ color: rgb(27, 82, 85);
/* oklch */ color: oklch(40.4% 0.057 200.3);

Tailwind

colors: {
  custom: {
    50: '#608384',
    500: '#1b5255',
    950: '#000000',
  },
}

SCSS

$custom: #1b5255;
$custom-light: #608384;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5255",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 85
  },
  "hsl": {
    "h": 183.103,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40431,
    "c": 0.05665,
    "h": 200.3
  },
  "luminance": 0.06923
}

Semantic roles & 50–950 ramp

primary

#1B5255

secondary

#8B4541

accent

#544DDB

background

#F5F8F8

surface

#EAEFEF

border

#C6CACA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #1B5255

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

Preview Lab → · Contrast checker → · Palette generator →