#1B5950#1B5950

#1B5950 is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.2% C 0.064 H 181.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B5950
RGB	rgb(27, 89, 80)
HSL	hsl(171, 53%, 23%)
HSV	hsv(171, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 10.1%, 65.1%)
CIE-LAB	lab(33.89, -21.99, -0.57)
CIE-LCH	lch(33.89, 22.00, 181.47°)
OKLab	oklab(42.21% -0.0641 -0.0019)
OKLCH	oklch(42.21% 0.064 181.7)
XYZ	xyz(5.4717, 7.9564, 8.8352)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5950 #591B24

analogous

#1B5931 #1B5950 #1B4359

triadic

#1B5950 #501B59 #59501B

tetradic

#1B5950 #311B59 #591B24 #43591B

square

#1B5950 #311B59 #591B24 #43591B

split-complementary

#1B5950 #591B43 #59311B

monochromatic

#071715 #0D2A26 #1B5950 #29887A #37B7A4

Accessibility & contrast

On white

8.10

#1B5950 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1B5950 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5950

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5950	#FFFFFF	#000000	##FFFFFF
##1B5950	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555450

Deuteranopia (green-blind)

#4C4D51

Tritanopia (blue-blind)

#005B56

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5950;
/* rgb */ color: rgb(27, 89, 80);
/* oklch */ color: oklch(42.2% 0.064 181.7);

Tailwind

colors: {
  custom: {
    50: '#618881',
    500: '#1b5950',
    950: '#000000',
  },
}

SCSS

$custom: #1b5950;
$custom-light: #618881;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5950",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 80
  },
  "hsl": {
    "h": 171.29,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42208,
    "c": 0.06415,
    "h": 181.7
  },
  "luminance": 0.07957
}

Semantic roles & 50–950 ramp

primary

#1B5950

secondary

#8F414C

accent

#4B60DD

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#050B0A

muted

#7A7C7C

Preview Lab

Preview with #1B5950

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

Preview Lab → · Contrast checker → · Palette generator →