#133B3D#133B3D

#133B3D is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.5% C 0.044 H 199.8°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#133B3D
RGB	rgb(19, 59, 61)
HSL	hsl(183, 53%, 16%)
HSV	hsv(183, 69%, 24%)
CMYK	cmyk(68.9%, 3.3%, 0%, 76.1%)
CIE-LAB	lab(22.31, -13.06, -5.41)
CIE-LCH	lch(22.31, 14.14, 202.51°)
OKLab	oklab(32.53% -0.0416 -0.015)
OKLCH	oklch(32.53% 0.044 199.8)
XYZ	xyz(2.6745, 3.6030, 4.9685)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B3D #3D1513

analogous

#133D2A #133B3D #13263D

triadic

#133B3D #3D133B #3B3D13

tetradic

#133B3D #2A133D #3D1513 #263D13

square

#133B3D #2A133D #3D1513 #263D13

split-complementary

#133B3D #3D1326 #3D2A13

monochromatic

#071717 #071717 #133B3D #22686C #30959A

Accessibility & contrast

On white

12.21

#133B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#133B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B3D

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B3D	#FFFFFF	#000000	##FFFFFF
##133B3D	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36383D

Deuteranopia (green-blind)

#30333D

Tritanopia (blue-blind)

#003D3B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #133b3d;
/* rgb */ color: rgb(19, 59, 61);
/* oklch */ color: oklch(32.5% 0.044 199.8);

Tailwind

colors: {
  custom: {
    50: '#577172',
    500: '#133b3d',
    950: '#000000',
  },
}

SCSS

$custom: #133b3d;
$custom-light: #577172;
$custom-dark: #000000;

JSON

{
  "hex": "#133b3d",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 61
  },
  "hsl": {
    "h": 182.857,
    "s": 52.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.32534,
    "c": 0.04424,
    "h": 199.8
  },
  "luminance": 0.03603
}

Semantic roles & 50–950 ramp

primary

#133B3D

secondary

#753936

accent

#534CDC

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #133B3D

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

Preview Lab → · Contrast checker → · Palette generator →