#133A66#133A66

#133A66 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.6% C 0.088 H 253.9°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#133A66
RGB	rgb(19, 58, 102)
HSL	hsl(212, 69%, 24%)
HSV	hsv(212, 81%, 40%)
CMYK	cmyk(81.4%, 43.1%, 0%, 60%)
CIE-LAB	lab(24.08, 3.74, -29.75)
CIE-LCH	lch(24.08, 29.98, 277.16°)
OKLab	oklab(34.62% -0.0245 -0.085)
OKLCH	oklch(34.62% 0.088 253.9)
XYZ	xyz(4.1790, 4.1234, 13.1434)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A66 #663F13

analogous

#136366 #133A66 #151366

triadic

#133A66 #66133A #3A6613

tetradic

#133A66 #661363 #663F13 #136615

square

#133A66 #661363 #663F13 #136615

split-complementary

#133A66 #661513 #636613

monochromatic

#050F1A #091D32 #133A66 #1D579A #2675CD

Accessibility & contrast

On white

11.51

#133A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#133A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A66

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A66	#FFFFFF	#000000	##FFFFFF
##133A66	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253D68

Deuteranopia (green-blind)

#173665

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133a66;
/* rgb */ color: rgb(19, 58, 102);
/* oklch */ color: oklch(34.6% 0.088 253.9);

Tailwind

colors: {
  custom: {
    50: '#5f6f92',
    500: '#133a66',
    950: '#000000',
  },
}

SCSS

$custom: #133a66;
$custom-light: #5f6f92;
$custom-dark: #000000;

JSON

{
  "hex": "#133a66",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 211.807,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34623,
    "c": 0.08846,
    "h": 253.9
  },
  "luminance": 0.04124
}

Semantic roles & 50–950 ramp

primary

#133A66

secondary

#9D6D37

accent

#993CEB

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #133A66

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

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