#133B40#133B40

#133B40 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.7% C 0.045 H 206.6°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#133B40
RGB	rgb(19, 59, 64)
HSL	hsl(187, 54%, 16%)
HSV	hsv(187, 70%, 25%)
CMYK	cmyk(70.3%, 7.8%, 0%, 74.9%)
CIE-LAB	lab(22.43, -12.01, -7.25)
CIE-LCH	lch(22.43, 14.03, 211.11°)
OKLab	oklab(32.67% -0.0401 -0.0201)
OKLCH	oklch(32.67% 0.045 206.6)
XYZ	xyz(2.7575, 3.6363, 5.4060)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B40 #401813

analogous

#13402F #133B40 #132540

triadic

#133B40 #40133B #3B4013

tetradic

#133B40 #2F1340 #401813 #254013

square

#133B40 #2F1340 #401813 #254013

split-complementary

#133B40 #401325 #402F13

monochromatic

#071618 #071618 #133B40 #21676F #2F929E

Accessibility & contrast

On white

12.16

#133B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#133B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B40

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B40	#FFFFFF	#000000	##FFFFFF
##133B40	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363840

Deuteranopia (green-blind)

#2F3340

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133b40;
/* rgb */ color: rgb(19, 59, 64);
/* oklch */ color: oklch(32.7% 0.045 206.6);

Tailwind

colors: {
  custom: {
    50: '#577174',
    500: '#133b40',
    950: '#000000',
  },
}

SCSS

$custom: #133b40;
$custom-light: #577174;
$custom-dark: #000000;

JSON

{
  "hex": "#133b40",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 186.667,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32667,
    "c": 0.04484,
    "h": 206.6
  },
  "luminance": 0.03637
}

Semantic roles & 50–950 ramp

primary

#133B40

secondary

#793E36

accent

#5B4ADE

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #133B40

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

Preview Lab → · Contrast checker → · Palette generator →