#133F3F#133F3F

#133F3F is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.8% C 0.047 H 195.1°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#133F3F
RGB	rgb(19, 63, 63)
HSL	hsl(180, 54%, 16%)
HSV	hsv(180, 70%, 25%)
CMYK	cmyk(69.8%, 0%, 0%, 75.3%)
CIE-LAB	lab(23.84, -14.73, -4.46)
CIE-LCH	lch(23.84, 15.39, 196.85°)
OKLab	oklab(33.79% -0.0457 -0.0124)
OKLCH	oklch(33.79% 0.047 195.1)
XYZ	xyz(2.9429, 4.0520, 5.3287)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F3F #3F1313

analogous

#133F29 #133F3F #13293F

triadic

#133F3F #3F133F #3F3F13

tetradic

#133F3F #29133F #3F1313 #293F13

square

#133F3F #29133F #3F1313 #293F13

split-complementary

#133F3F #3F1329 #3F2913

monochromatic

#071818 #071818 #133F3F #216E6E #2F9D9D

Accessibility & contrast

On white

11.60

#133F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#133F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F3F

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F3F	#FFFFFF	#000000	##FFFFFF
##133F3F	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3C3F

Deuteranopia (green-blind)

#34373F

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133f3f;
/* rgb */ color: rgb(19, 63, 63);
/* oklch */ color: oklch(33.8% 0.047 195.1);

Tailwind

colors: {
  custom: {
    50: '#587474',
    500: '#133f3f',
    950: '#000000',
  },
}

SCSS

$custom: #133f3f;
$custom-light: #587474;
$custom-dark: #000000;

JSON

{
  "hex": "#133f3f",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 180,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.33795,
    "c": 0.04738,
    "h": 195.1
  },
  "luminance": 0.04052
}

Semantic roles & 50–950 ramp

primary

#133F3F

secondary

#783636

accent

#4B4BDD

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #133F3F

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

Preview Lab → · Contrast checker → · Palette generator →