#1B3333#1B3333

#1B3333 is a dark, muted teal. Relative luminance 0.028; OKLCH L 30.2% C 0.030 H 195.7°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#1B3333
RGB	rgb(27, 51, 51)
HSL	hsl(180, 31%, 15%)
HSV	hsv(180, 47%, 20%)
CMYK	cmyk(47.1%, 0%, 0%, 80%)
CIE-LAB	lab(19.39, -9.33, -2.95)
CIE-LCH	lch(19.39, 9.79, 197.52°)
OKLab	oklab(30.16% -0.0289 -0.0081)
OKLCH	oklch(30.16% 0.03 195.7)
XYZ	xyz(2.2331, 2.8395, 3.5617)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3333 #331B1B

analogous

#1B3327 #1B3333 #1B2733

triadic

#1B3333 #331B33 #33331B

tetradic

#1B3333 #271B33 #331B1B #27331B

square

#1B3333 #271B33 #331B1B #27331B

split-complementary

#1B3333 #331B27 #33271B

monochromatic

#0B1414 #0B1414 #1B3333 #305B5B #458383

Accessibility & contrast

On white

13.39

#1B3333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1B3333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3333

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3333	#FFFFFF	#000000	##FFFFFF
##1B3333	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303133

Deuteranopia (green-blind)

#2C2E33

Tritanopia (blue-blind)

#103433

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b3333;
/* rgb */ color: rgb(27, 51, 51);
/* oklch */ color: oklch(30.2% 0.030 195.7);

Tailwind

colors: {
  custom: {
    50: '#596a6a',
    500: '#1b3333',
    950: '#000000',
  },
}

SCSS

$custom: #1b3333;
$custom-light: #596a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3333",
  "rgb": {
    "r": 27,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 180,
    "s": 30.769,
    "l": 15.294
  },
  "oklch": {
    "l": 0.30157,
    "c": 0.03004,
    "h": 195.7
  },
  "luminance": 0.0284
}

Semantic roles & 50–950 ramp

primary

#1B3333

secondary

#674343

accent

#6161C7

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030606

muted

#787A7A

Preview Lab

Preview with #1B3333

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

Preview Lab → · Contrast checker → · Palette generator →