#1B5A42#1B5A42

#1B5A42 is a dark, moderate teal. Relative luminance 0.079; OKLCH L 42.0% C 0.076 H 164.1°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A42
RGB	rgb(27, 90, 66)
HSL	hsl(157, 54%, 23%)
HSV	hsv(157, 70%, 35%)
CMYK	cmyk(70%, 0%, 26.7%, 64.7%)
CIE-LAB	lab(33.85, -26.41, 8.12)
CIE-LCH	lch(33.85, 27.63, 162.90°)
OKLab	oklab(42.05% -0.0728 0.0208)
OKLCH	oklch(42.05% 0.076 164.1)
XYZ	xyz(5.0910, 7.9381, 6.4171)
Luminance	0.0794 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A42 #5A1B33

analogous

#1B5A22 #1B5A42 #1B525A

triadic

#1B5A42 #421B5A #5A421B

tetradic

#1B5A42 #221B5A #5A1B33 #525A1B

square

#1B5A42 #221B5A #5A1B33 #525A1B

split-complementary

#1B5A42 #5A1B52 #5A221B

monochromatic

#071811 #0D2B1F #1B5A42 #298965 #37B887

Accessibility & contrast

On white

8.12

#1B5A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1B5A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A42

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A42	#FFFFFF	#000000	##FFFFFF
##1B5A42	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585341

Deuteranopia (green-blind)

#504D44

Tritanopia (blue-blind)

#005A53

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5a42;
/* rgb */ color: rgb(27, 90, 66);
/* oklch */ color: oklch(42.0% 0.076 164.1);

Tailwind

colors: {
  custom: {
    50: '#608976',
    500: '#1b5a42',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a42;
$custom-light: #608976;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a42",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 66
  },
  "hsl": {
    "h": 157.143,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42049,
    "c": 0.07568,
    "h": 164.1
  },
  "luminance": 0.07939
}

Semantic roles & 50–950 ramp

primary

#1B5A42

secondary

#90415F

accent

#4B82DD

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050B08

muted

#797C7B

Preview Lab

Preview with #1B5A42

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

Preview Lab → · Contrast checker → · Palette generator →