#133B43#133B43

#133B43 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.8% C 0.046 H 213.1°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#133B43
RGB	rgb(19, 59, 67)
HSL	hsl(190, 56%, 17%)
HSV	hsv(190, 72%, 26%)
CMYK	cmyk(71.6%, 11.9%, 0%, 73.7%)
CIE-LAB	lab(22.55, -10.93, -9.07)
CIE-LCH	lch(22.55, 14.21, 219.69°)
OKLab	oklab(32.81% -0.0386 -0.0252)
OKLCH	oklch(32.81% 0.046 213.1)
XYZ	xyz(2.8452, 3.6713, 5.8678)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B43 #431B13

analogous

#134333 #133B43 #132343

triadic

#133B43 #43133B #3B4313

tetradic

#133B43 #331343 #431B13 #234313

square

#133B43 #331343 #431B13 #234313

split-complementary

#133B43 #431323 #433313

monochromatic

#071518 #071518 #133B43 #216573 #2E8FA2

Accessibility & contrast

On white

12.11

#133B43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#133B43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B43

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B43	#FFFFFF	#000000	##FFFFFF
##133B43	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353943

Deuteranopia (green-blind)

#2E3443

Tritanopia (blue-blind)

#003E3D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133b43;
/* rgb */ color: rgb(19, 59, 67);
/* oklch */ color: oklch(32.8% 0.046 213.1);

Tailwind

colors: {
  custom: {
    50: '#587177',
    500: '#133b43',
    950: '#000000',
  },
}

SCSS

$custom: #133b43;
$custom-light: #587177;
$custom-dark: #000000;

JSON

{
  "hex": "#133b43",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 67
  },
  "hsl": {
    "h": 190,
    "s": 55.814,
    "l": 16.863
  },
  "oklch": {
    "l": 0.32807,
    "c": 0.04611,
    "h": 213.1
  },
  "luminance": 0.03672
}

Semantic roles & 50–950 ramp

primary

#133B43

secondary

#7C4236

accent

#6249DF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #133B43

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

Preview Lab → · Contrast checker → · Palette generator →