#133D3F#133D3F

#133D3F is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.2% C 0.046 H 199.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#133D3F
RGB	rgb(19, 61, 63)
HSL	hsl(183, 54%, 16%)
HSV	hsv(183, 70%, 25%)
CMYK	cmyk(69.8%, 3.2%, 0%, 75.3%)
CIE-LAB	lab(23.12, -13.56, -5.55)
CIE-LCH	lch(23.12, 14.65, 202.25°)
OKLab	oklab(33.21% -0.0432 -0.0154)
OKLCH	oklch(33.21% 0.046 199.6)
XYZ	xyz(2.8341, 3.8345, 5.2924)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D3F #3F1513

analogous

#133F2B #133D3F #13273F

triadic

#133D3F #3F133D #3D3F13

tetradic

#133D3F #2B133F #3F1513 #273F13

square

#133D3F #2B133F #3F1513 #273F13

split-complementary

#133D3F #3F1327 #3F2B13

monochromatic

#071718 #071718 #133D3F #216B6E #2F989D

Accessibility & contrast

On white

11.88

#133D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#133D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D3F

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D3F	#FFFFFF	#000000	##FFFFFF
##133D3F	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A3F

Deuteranopia (green-blind)

#31353F

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133d3f;
/* rgb */ color: rgb(19, 61, 63);
/* oklch */ color: oklch(33.2% 0.046 199.6);

Tailwind

colors: {
  custom: {
    50: '#577274',
    500: '#133d3f',
    950: '#000000',
  },
}

SCSS

$custom: #133d3f;
$custom-light: #577274;
$custom-dark: #000000;

JSON

{
  "hex": "#133d3f",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 182.727,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.33208,
    "c": 0.04582,
    "h": 199.6
  },
  "luminance": 0.03835
}

Semantic roles & 50–950 ramp

primary

#133D3F

secondary

#783936

accent

#514BDD

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #133D3F

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

Preview Lab → · Contrast checker → · Palette generator →