#1B5954#1B5954

#1B5954 is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.4% C 0.063 H 187.5°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B5954
RGB	rgb(27, 89, 84)
HSL	hsl(175, 53%, 23%)
HSV	hsv(175, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 5.6%, 65.1%)
CIE-LAB	lab(34.02, -20.76, -2.89)
CIE-LCH	lch(34.02, 20.96, 187.93°)
OKLab	oklab(42.35% -0.062 -0.0081)
OKLCH	oklch(42.35% 0.063 187.5)
XYZ	xyz(5.6239, 8.0172, 9.6369)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5954 #591B20

analogous

#1B5935 #1B5954 #1B3F59

triadic

#1B5954 #541B59 #59541B

tetradic

#1B5954 #351B59 #591B20 #3F591B

square

#1B5954 #351B59 #591B20 #3F591B

split-complementary

#1B5954 #591B3F #59351B

monochromatic

#071716 #0D2A28 #1B5954 #298880 #37B7AD

Accessibility & contrast

On white

8.07

#1B5954 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1B5954 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5954

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5954	#FFFFFF	#000000	##FFFFFF
##1B5954	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545454

Deuteranopia (green-blind)

#4B4D55

Tritanopia (blue-blind)

#005B57

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5954;
/* rgb */ color: rgb(27, 89, 84);
/* oklch */ color: oklch(42.4% 0.063 187.5);

Tailwind

colors: {
  custom: {
    50: '#618884',
    500: '#1b5954',
    950: '#000000',
  },
}

SCSS

$custom: #1b5954;
$custom-light: #618884;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5954",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 84
  },
  "hsl": {
    "h": 175.161,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42354,
    "c": 0.06258,
    "h": 187.5
  },
  "luminance": 0.08018
}

Semantic roles & 50–950 ramp

primary

#1B5954

secondary

#8F4147

accent

#4B57DD

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050B0A

muted

#7A7C7C

Preview Lab

Preview with #1B5954

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

Preview Lab → · Contrast checker → · Palette generator →