#133F40#133F40

#133F40 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.8% C 0.047 H 197.3°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#133F40
RGB	rgb(19, 63, 64)
HSL	hsl(181, 54%, 16%)
HSV	hsv(181, 70%, 25%)
CMYK	cmyk(70.3%, 1.6%, 0%, 74.9%)
CIE-LAB	lab(23.88, -14.39, -5.07)
CIE-LCH	lch(23.88, 15.26, 199.42°)
OKLab	oklab(33.84% -0.0452 -0.0141)
OKLCH	oklch(33.84% 0.047 197.3)
XYZ	xyz(2.9711, 4.0633, 5.4772)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F40 #401413

analogous

#13402B #133F40 #132940

triadic

#133F40 #40133F #3F4013

tetradic

#133F40 #2B1340 #401413 #294013

square

#133F40 #2B1340 #401413 #294013

split-complementary

#133F40 #401329 #402B13

monochromatic

#071718 #071718 #133F40 #216D6F #2F9C9E

Accessibility & contrast

On white

11.58

#133F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#133F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F40

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F40	#FFFFFF	#000000	##FFFFFF
##133F40	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C40

Deuteranopia (green-blind)

#333740

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133f40;
/* rgb */ color: rgb(19, 63, 64);
/* oklch */ color: oklch(33.8% 0.047 197.3);

Tailwind

colors: {
  custom: {
    50: '#587474',
    500: '#133f40',
    950: '#000000',
  },
}

SCSS

$custom: #133f40;
$custom-light: #587474;
$custom-dark: #000000;

JSON

{
  "hex": "#133f40",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 181.333,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.33837,
    "c": 0.04735,
    "h": 197.3
  },
  "luminance": 0.04064
}

Semantic roles & 50–950 ramp

primary

#133F40

secondary

#793836

accent

#4D4ADE

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #133F40

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

Preview Lab → · Contrast checker → · Palette generator →