#1B5347#1B5347

#1B5347 is a dark, moderate teal. Relative luminance 0.069; OKLCH L 40.2% C 0.062 H 176.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B5347
RGB	rgb(27, 83, 71)
HSL	hsl(167, 51%, 22%)
HSV	hsv(167, 67%, 33%)
CMYK	cmyk(67.5%, 0%, 14.5%, 67.5%)
CIE-LAB	lab(31.52, -21.53, 1.66)
CIE-LCH	lch(31.52, 21.60, 175.60°)
OKLab	oklab(40.19% -0.0616 0.0041)
OKLCH	oklch(40.19% 0.062 176.2)
XYZ	xyz(4.6820, 6.8740, 7.0401)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5347 #531B27

analogous

#1B532B #1B5347 #1B4353

triadic

#1B5347 #471B53 #53471B

tetradic

#1B5347 #2B1B53 #531B27 #43531B

square

#1B5347 #2B1B53 #531B27 #43531B

split-complementary

#1B5347 #531B43 #532B1B

monochromatic

#081714 #0C251F #1B5347 #2A816F #39AF96

Accessibility & contrast

On white

8.84

#1B5347 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1B5347 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5347

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5347	#FFFFFF	#000000	##FFFFFF
##1B5347	1.00	8.84	2.37	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504E46

Deuteranopia (green-blind)

#484848

Tritanopia (blue-blind)

#00544F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b5347;
/* rgb */ color: rgb(27, 83, 71);
/* oklch */ color: oklch(40.2% 0.062 176.2);

Tailwind

colors: {
  custom: {
    50: '#5f847a',
    500: '#1b5347',
    950: '#000000',
  },
}

SCSS

$custom: #1b5347;
$custom-light: #5f847a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5347",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 71
  },
  "hsl": {
    "h": 167.143,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.40186,
    "c": 0.06171,
    "h": 176.2
  },
  "luminance": 0.06874
}

Semantic roles & 50–950 ramp

primary

#1B5347

secondary

#894150

accent

#4D6CDA

background

#F5F8F7

surface

#EAEFED

border

#C6CAC8

text

#050B09

muted

#797C7B

Preview Lab

Preview with #1B5347

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

Preview Lab → · Contrast checker → · Palette generator →