#1B5958#1B5958

#1B5958 is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.5% C 0.062 H 193.5°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#1B5958
RGB	rgb(27, 89, 88)
HSL	hsl(179, 53%, 23%)
HSV	hsv(179, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 1.1%, 65.1%)
CIE-LAB	lab(34.15, -19.50, -5.20)
CIE-LCH	lch(34.15, 20.18, 194.94°)
OKLab	oklab(42.51% -0.06 -0.0145)
OKLCH	oklch(42.51% 0.062 193.5)
XYZ	xyz(5.7850, 8.0817, 10.4857)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5958 #591B1C

analogous

#1B5939 #1B5958 #1B3B59

triadic

#1B5958 #581B59 #59581B

tetradic

#1B5958 #391B59 #591B1C #3B591B

square

#1B5958 #391B59 #591B1C #3B591B

split-complementary

#1B5958 #591B3B #59391B

monochromatic

#071717 #0D2A2A #1B5958 #298886 #37B7B5

Accessibility & contrast

On white

8.03

#1B5958 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1B5958 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5958

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5958	#FFFFFF	#000000	##FFFFFF
##1B5958	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535458

Deuteranopia (green-blind)

#4A4D58

Tritanopia (blue-blind)

#005C59

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5958;
/* rgb */ color: rgb(27, 89, 88);
/* oklch */ color: oklch(42.5% 0.062 193.5);

Tailwind

colors: {
  custom: {
    50: '#618887',
    500: '#1b5958',
    950: '#000000',
  },
}

SCSS

$custom: #1b5958;
$custom-light: #618887;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5958",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 88
  },
  "hsl": {
    "h": 179.032,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42507,
    "c": 0.06175,
    "h": 193.5
  },
  "luminance": 0.08082
}

Semantic roles & 50–950 ramp

primary

#1B5958

secondary

#8F4142

accent

#4B4DDD

background

#F6F8F8

surface

#EBEFEF

border

#C6CACA

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #1B5958

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

Preview Lab → · Contrast checker → · Palette generator →