#133A53#133A53

#133A53 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.062 H 240.5°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#133A53
RGB	rgb(19, 58, 83)
HSL	hsl(203, 63%, 20%)
HSV	hsv(203, 77%, 33%)
CMYK	cmyk(77.1%, 30.1%, 0%, 67.5%)
CIE-LAB	lab(22.96, -4.12, -19.09)
CIE-LCH	lch(22.96, 19.53, 257.82°)
OKLab	oklab(33.38% -0.0305 -0.0539)
OKLCH	oklch(33.38% 0.062 240.5)
XYZ	xyz(3.3423, 3.7887, 8.7371)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A53 #532C13

analogous

#13534C #133A53 #131A53

triadic

#133A53 #53133A #3A5313

tetradic

#133A53 #4C1353 #532C13 #1A5313

square

#133A53 #4C1353 #532C13 #1A5313

split-complementary

#133A53 #53131A #534C13

monochromatic

#061119 #081721 #133A53 #1E5D85 #2A80B7

Accessibility & contrast

On white

11.95

#133A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#133A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A53

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A53	#FFFFFF	#000000	##FFFFFF
##133A53	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3A54

Deuteranopia (green-blind)

#263453

Tritanopia (blue-blind)

#004043

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133a53;
/* rgb */ color: rgb(19, 58, 83);
/* oklch */ color: oklch(33.4% 0.062 240.5);

Tailwind

colors: {
  custom: {
    50: '#5a7083',
    500: '#133a53',
    950: '#000000',
  },
}

SCSS

$custom: #133a53;
$custom-light: #5a7083;
$custom-dark: #000000;

JSON

{
  "hex": "#133a53",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 83
  },
  "hsl": {
    "h": 203.438,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.33383,
    "c": 0.06189,
    "h": 240.5
  },
  "luminance": 0.03789
}

Semantic roles & 50–950 ramp

primary

#133A53

secondary

#8B5836

accent

#8242E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133A53

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

Preview Lab → · Contrast checker → · Palette generator →