#133B3C#133B3C

#133B3C is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.044 H 197.5°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#133B3C
RGB	rgb(19, 59, 60)
HSL	hsl(181, 52%, 15%)
HSV	hsv(181, 68%, 24%)
CMYK	cmyk(68.3%, 1.7%, 0%, 76.5%)
CIE-LAB	lab(22.27, -13.41, -4.80)
CIE-LCH	lch(22.27, 14.24, 199.69°)
OKLab	oklab(32.49% -0.0421 -0.0133)
OKLCH	oklch(32.49% 0.044 197.5)
XYZ	xyz(2.6478, 3.5923, 4.8279)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B3C #3C1413

analogous

#133C28 #133B3C #13263C

triadic

#133B3C #3C133B #3B3C13

tetradic

#133B3C #28133C #3C1413 #263C13

square

#133B3C #28133C #3C1413 #263C13

split-complementary

#133B3C #3C1326 #3C2813

monochromatic

#071717 #071717 #133B3C #22696A #309699

Accessibility & contrast

On white

12.22

#133B3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#133B3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B3C

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B3C	#FFFFFF	#000000	##FFFFFF
##133B3C	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37383C

Deuteranopia (green-blind)

#30333C

Tritanopia (blue-blind)

#003D3B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #133b3c;
/* rgb */ color: rgb(19, 59, 60);
/* oklch */ color: oklch(32.5% 0.044 197.5);

Tailwind

colors: {
  custom: {
    50: '#577171',
    500: '#133b3c',
    950: '#000000',
  },
}

SCSS

$custom: #133b3c;
$custom-light: #577171;
$custom-dark: #000000;

JSON

{
  "hex": "#133b3c",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 60
  },
  "hsl": {
    "h": 181.463,
    "s": 51.899,
    "l": 15.49
  },
  "oklch": {
    "l": 0.3249,
    "c": 0.0442,
    "h": 197.5
  },
  "luminance": 0.03593
}

Semantic roles & 50–950 ramp

primary

#133B3C

secondary

#743836

accent

#504CDB

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #133B3C

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

Preview Lab → · Contrast checker → · Palette generator →