#133E53#133E53

#133E53 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.059 H 233.6°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#133E53
RGB	rgb(19, 62, 83)
HSL	hsl(200, 63%, 20%)
HSV	hsv(200, 77%, 33%)
CMYK	cmyk(77.1%, 25.3%, 0%, 67.5%)
CIE-LAB	lab(24.35, -6.74, -16.93)
CIE-LCH	lch(24.35, 18.22, 248.28°)
OKLab	oklab(34.48% -0.0351 -0.0476)
OKLCH	oklch(34.48% 0.059 233.6)
XYZ	xyz(3.5519, 4.2078, 8.8069)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E53 #532813

analogous

#135348 #133E53 #131E53

triadic

#133E53 #53133E #3E5313

tetradic

#133E53 #481353 #532813 #1E5313

square

#133E53 #481353 #532813 #1E5313

split-complementary

#133E53 #53131E #534813

monochromatic

#061319 #081921 #133E53 #1E6385 #2A88B7

Accessibility & contrast

On white

11.40

#133E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E53

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E53	#FFFFFF	#000000	##FFFFFF
##133E53	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343D54

Deuteranopia (green-blind)

#2B3753

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133e53;
/* rgb */ color: rgb(19, 62, 83);
/* oklch */ color: oklch(34.5% 0.059 233.6);

Tailwind

colors: {
  custom: {
    50: '#5b7383',
    500: '#133e53',
    950: '#000000',
  },
}

SCSS

$custom: #133e53;
$custom-light: #5b7383;
$custom-dark: #000000;

JSON

{
  "hex": "#133e53",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 83
  },
  "hsl": {
    "h": 199.688,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.34484,
    "c": 0.05914,
    "h": 233.6
  },
  "luminance": 0.04208
}

Semantic roles & 50–950 ramp

primary

#133E53

secondary

#8B5236

accent

#7842E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133E53

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

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