#1B5253#1B5253

#1B5253 is a dark, muted teal. Relative luminance 0.069; OKLCH L 40.3% C 0.057 H 196.8°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B5253
RGB	rgb(27, 82, 83)
HSL	hsl(181, 51%, 22%)
HSV	hsv(181, 67%, 33%)
CMYK	cmyk(67.5%, 1.2%, 0%, 67.5%)
CIE-LAB	lab(31.56, -17.28, -5.91)
CIE-LCH	lch(31.56, 18.26, 198.90°)
OKLab	oklab(40.35% -0.0541 -0.0164)
OKLCH	oklch(40.35% 0.057 196.8)
XYZ	xyz(5.0299, 6.8916, 9.2471)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5253 #531C1B

analogous

#1B5338 #1B5253 #1B3653

triadic

#1B5253 #531B52 #52531B

tetradic

#1B5253 #381B53 #531C1B #36531B

square

#1B5253 #381B53 #531C1B #36531B

split-complementary

#1B5253 #531B36 #53381B

monochromatic

#081717 #0C2425 #1B5253 #2A8081 #39ADAF

Accessibility & contrast

On white

8.83

#1B5253 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1B5253 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5253

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5253	#FFFFFF	#000000	##FFFFFF
##1B5253	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4E53

Deuteranopia (green-blind)

#434853

Tritanopia (blue-blind)

#005552

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b5253;
/* rgb */ color: rgb(27, 82, 83);
/* oklch */ color: oklch(40.3% 0.057 196.8);

Tailwind

colors: {
  custom: {
    50: '#608383',
    500: '#1b5253',
    950: '#000000',
  },
}

SCSS

$custom: #1b5253;
$custom-light: #608383;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5253",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 83
  },
  "hsl": {
    "h": 181.071,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.40349,
    "c": 0.05657,
    "h": 196.8
  },
  "luminance": 0.06892
}

Semantic roles & 50–950 ramp

primary

#1B5253

secondary

#894241

accent

#504DDA

background

#F5F8F8

surface

#EAEFEF

border

#C6CACA

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1B5253

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

Preview Lab → · Contrast checker → · Palette generator →