#133F3A#133F3A

#133F3A is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.049 H 184.8°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#133F3A
RGB	rgb(19, 63, 58)
HSL	hsl(173, 54%, 16%)
HSV	hsv(173, 70%, 25%)
CMYK	cmyk(69.8%, 0%, 7.9%, 75.3%)
CIE-LAB	lab(23.67, -16.38, -1.40)
CIE-LCH	lch(23.67, 16.44, 184.87°)
OKLab	oklab(33.59% -0.0484 -0.004)
OKLCH	oklch(33.59% 0.049 184.8)
XYZ	xyz(2.8094, 3.9987, 4.6259)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F3A #3F1318

analogous

#133F24 #133F3A #132E3F

triadic

#133F3A #3A133F #3F3A13

tetradic

#133F3A #24133F #3F1318 #2E3F13

square

#133F3A #24133F #3F1318 #2E3F13

split-complementary

#133F3A #3F132E #3F2413

monochromatic

#071816 #071816 #133F3A #216E65 #2F9D91

Accessibility & contrast

On white

11.67

#133F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#133F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F3A

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F3A	#FFFFFF	#000000	##FFFFFF
##133F3A	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B3A

Deuteranopia (green-blind)

#35363B

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133f3a;
/* rgb */ color: rgb(19, 63, 58);
/* oklch */ color: oklch(33.6% 0.049 184.8);

Tailwind

colors: {
  custom: {
    50: '#577470',
    500: '#133f3a',
    950: '#000000',
  },
}

SCSS

$custom: #133f3a;
$custom-light: #577470;
$custom-dark: #000000;

JSON

{
  "hex": "#133f3a",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 173.182,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.33594,
    "c": 0.04858,
    "h": 184.8
  },
  "luminance": 0.03999
}

Semantic roles & 50–950 ramp

primary

#133F3A

secondary

#78363E

accent

#4B5BDD

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #133F3A

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

Preview Lab → · Contrast checker → · Palette generator →