#133B45#133B45

#133B45 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.047 H 217.2°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#133B45
RGB	rgb(19, 59, 69)
HSL	hsl(192, 57%, 17%)
HSV	hsv(192, 72%, 27%)
CMYK	cmyk(72.5%, 14.5%, 0%, 72.9%)
CIE-LAB	lab(22.64, -10.19, -10.28)
CIE-LCH	lch(22.64, 14.48, 225.24°)
OKLab	oklab(32.9% -0.0377 -0.0286)
OKLCH	oklch(32.9% 0.047 217.2)
XYZ	xyz(2.9063, 3.6957, 6.1893)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B45 #451D13

analogous

#134536 #133B45 #132245

triadic

#133B45 #45133B #3B4513

tetradic

#133B45 #361345 #451D13 #224513

square

#133B45 #361345 #451D13 #224513

split-complementary

#133B45 #451322 #453613

monochromatic

#071518 #071518 #133B45 #206475 #2D8DA5

Accessibility & contrast

On white

12.07

#133B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#133B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B45

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B45	#FFFFFF	#000000	##FFFFFF
##133B45	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343946

Deuteranopia (green-blind)

#2D3445

Tritanopia (blue-blind)

#003F3E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133b45;
/* rgb */ color: rgb(19, 59, 69);
/* oklch */ color: oklch(32.9% 0.047 217.2);

Tailwind

colors: {
  custom: {
    50: '#587178',
    500: '#133b45',
    950: '#000000',
  },
}

SCSS

$custom: #133b45;
$custom-light: #587178;
$custom-dark: #000000;

JSON

{
  "hex": "#133b45",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 69
  },
  "hsl": {
    "h": 192,
    "s": 56.818,
    "l": 17.255
  },
  "oklch": {
    "l": 0.32904,
    "c": 0.04728,
    "h": 217.2
  },
  "luminance": 0.03696
}

Semantic roles & 50–950 ramp

primary

#133B45

secondary

#7E4436

accent

#6648E0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #133B45

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

Preview Lab → · Contrast checker → · Palette generator →