#1B533B#1B533B

#1B533B is a dark, moderate teal. Relative luminance 0.067; OKLCH L 39.8% C 0.072 H 161.8°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B533B
RGB	rgb(27, 83, 59)
HSL	hsl(154, 51%, 22%)
HSV	hsv(154, 67%, 33%)
CMYK	cmyk(67.5%, 0%, 28.9%, 67.5%)
CIE-LAB	lab(31.20, -24.80, 8.77)
CIE-LCH	lch(31.20, 26.30, 160.52°)
OKLab	oklab(39.82% -0.0681 0.0224)
OKLCH	oklch(39.82% 0.072 161.8)
XYZ	xyz(4.3342, 6.7348, 5.2084)
Luminance	0.0673 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B533B #531B33

analogous

#1B531F #1B533B #1B4F53

triadic

#1B533B #3B1B53 #533B1B

tetradic

#1B533B #1F1B53 #531B33 #4F531B

square

#1B533B #1F1B53 #531B33 #4F531B

split-complementary

#1B533B #531B4F #531F1B

monochromatic

#081710 #0C251A #1B533B #2A815C #39AF7D

Accessibility & contrast

On white

8.95

#1B533B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1B533B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B533B

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B533B	#FFFFFF	#000000	##FFFFFF
##1B533B	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D3A

Deuteranopia (green-blind)

#4A473D

Tritanopia (blue-blind)

#00534C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b533b;
/* rgb */ color: rgb(27, 83, 59);
/* oklch */ color: oklch(39.8% 0.072 161.8);

Tailwind

colors: {
  custom: {
    50: '#5e8471',
    500: '#1b533b',
    950: '#000000',
  },
}

SCSS

$custom: #1b533b;
$custom-light: #5e8471;
$custom-dark: #000000;

JSON

{
  "hex": "#1b533b",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 59
  },
  "hsl": {
    "h": 154.286,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.39816,
    "c": 0.07166,
    "h": 161.8
  },
  "luminance": 0.06735
}

Semantic roles & 50–950 ramp

primary

#1B533B

secondary

#894160

accent

#4D8ADA

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1B533B

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

Preview Lab → · Contrast checker → · Palette generator →