#133F54#133F54

#133F54 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.060 H 233.1°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#133F54
RGB	rgb(19, 63, 84)
HSL	hsl(199, 63%, 20%)
HSV	hsv(199, 77%, 33%)
CMYK	cmyk(77.4%, 25%, 0%, 67.1%)
CIE-LAB	lab(24.74, -7.00, -16.97)
CIE-LCH	lch(24.74, 18.36, 247.60°)
OKLab	oklab(34.82% -0.0359 -0.0477)
OKLCH	oklch(34.82% 0.06 233.1)
XYZ	xyz(3.6457, 4.3331, 9.0300)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F54 #542813

analogous

#135449 #133F54 #131E54

triadic

#133F54 #54133F #3F5413

tetradic

#133F54 #491354 #542813 #1E5413

square

#133F54 #491354 #542813 #1E5413

split-complementary

#133F54 #54131E #544913

monochromatic

#061319 #081A22 #133F54 #1E6486 #2A8AB8

Accessibility & contrast

On white

11.25

#133F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F54

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F54	#FFFFFF	#000000	##FFFFFF
##133F54	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E55

Deuteranopia (green-blind)

#2C3854

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133f54;
/* rgb */ color: rgb(19, 63, 84);
/* oklch */ color: oklch(34.8% 0.060 233.1);

Tailwind

colors: {
  custom: {
    50: '#5b7484',
    500: '#133f54',
    950: '#000000',
  },
}

SCSS

$custom: #133f54;
$custom-light: #5b7484;
$custom-dark: #000000;

JSON

{
  "hex": "#133f54",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 84
  },
  "hsl": {
    "h": 199.385,
    "s": 63.107,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34816,
    "c": 0.05968,
    "h": 233.1
  },
  "luminance": 0.04334
}

Semantic roles & 50–950 ramp

primary

#133F54

secondary

#8C5236

accent

#7742E6

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133F54

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

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