#1B5B3D#1B5B3D

#1B5B3D is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.2% C 0.082 H 159.1°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B5B3D
RGB	rgb(27, 91, 61)
HSL	hsl(152, 54%, 23%)
HSV	hsv(152, 70%, 36%)
CMYK	cmyk(70.3%, 0%, 33%, 64.3%)
CIE-LAB	lab(34.09, -28.12, 11.53)
CIE-LCH	lch(34.09, 30.40, 157.70°)
OKLab	oklab(42.2% -0.0767 0.0292)
OKLCH	oklch(42.2% 0.082 159.1)
XYZ	xyz(5.0349, 8.0516, 5.7027)
Luminance	0.0805 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5B3D #5B1B39

analogous

#1B5B1D #1B5B3D #1B595B

triadic

#1B5B3D #3D1B5B #5B3D1B

tetradic

#1B5B3D #1D1B5B #5B1B39 #595B1B

square

#1B5B3D #1D1B5B #5B1B39 #595B1B

split-complementary

#1B5B3D #5B1B59 #5B1D1B

monochromatic

#071810 #0D2C1D #1B5B3D #298A5D #37B97C

Accessibility & contrast

On white

8.04

#1B5B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1B5B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5B3D

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5B3D	#FFFFFF	#000000	##FFFFFF
##1B5B3D	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543B

Deuteranopia (green-blind)

#524E3F

Tritanopia (blue-blind)

#005A53

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5b3d;
/* rgb */ color: rgb(27, 91, 61);
/* oklch */ color: oklch(42.2% 0.082 159.1);

Tailwind

colors: {
  custom: {
    50: '#608a72',
    500: '#1b5b3d',
    950: '#000000',
  },
}

SCSS

$custom: #1b5b3d;
$custom-light: #608a72;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5b3d",
  "rgb": {
    "r": 27,
    "g": 91,
    "b": 61
  },
  "hsl": {
    "h": 151.875,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.42204,
    "c": 0.08205,
    "h": 159.1
  },
  "luminance": 0.08052
}

Semantic roles & 50–950 ramp

primary

#1B5B3D

secondary

#914166

accent

#4A8FDE

background

#F5F8F6

surface

#EAF0EC

border

#C6CBC7

text

#050C08

muted

#797D7B

Preview Lab

Preview with #1B5B3D

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

Preview Lab → · Contrast checker → · Palette generator →