#133B3F#133B3F

#133B3F is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.6% C 0.045 H 204.4°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#133B3F
RGB	rgb(19, 59, 63)
HSL	hsl(185, 54%, 16%)
HSV	hsv(185, 70%, 25%)
CMYK	cmyk(69.8%, 6.3%, 0%, 75.3%)
CIE-LAB	lab(22.39, -12.37, -6.64)
CIE-LCH	lch(22.39, 14.04, 208.23°)
OKLab	oklab(32.62% -0.0406 -0.0184)
OKLCH	oklch(32.62% 0.045 204.4)
XYZ	xyz(2.7293, 3.6250, 5.2575)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B3F #3F1713

analogous

#133F2D #133B3F #13253F

triadic

#133B3F #3F133B #3B3F13

tetradic

#133B3F #2D133F #3F1713 #253F13

square

#133B3F #2D133F #3F1713 #253F13

split-complementary

#133B3F #3F1325 #3F2D13

monochromatic

#071618 #071618 #133B3F #21676E #2F939D

Accessibility & contrast

On white

12.17

#133B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#133B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B3F

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B3F	#FFFFFF	#000000	##FFFFFF
##133B3F	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36383F

Deuteranopia (green-blind)

#2F333F

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133b3f;
/* rgb */ color: rgb(19, 59, 63);
/* oklch */ color: oklch(32.6% 0.045 204.4);

Tailwind

colors: {
  custom: {
    50: '#577174',
    500: '#133b3f',
    950: '#000000',
  },
}

SCSS

$custom: #133b3f;
$custom-light: #577174;
$custom-dark: #000000;

JSON

{
  "hex": "#133b3f",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 63
  },
  "hsl": {
    "h": 185.455,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32622,
    "c": 0.04457,
    "h": 204.4
  },
  "luminance": 0.03625
}

Semantic roles & 50–950 ramp

primary

#133B3F

secondary

#783C36

accent

#584BDD

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #133B3F

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

Preview Lab → · Contrast checker → · Palette generator →