#133A55#133A55

#133A55 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.064 H 242.6°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#133A55
RGB	rgb(19, 58, 85)
HSL	hsl(205, 63%, 20%)
HSV	hsv(205, 78%, 33%)
CMYK	cmyk(77.6%, 31.8%, 0%, 66.7%)
CIE-LAB	lab(23.07, -3.31, -20.24)
CIE-LCH	lch(23.07, 20.51, 260.70°)
OKLab	oklab(33.5% -0.0297 -0.0572)
OKLCH	oklch(33.5% 0.064 242.6)
XYZ	xyz(3.4207, 3.8201, 9.1496)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A55 #552E13

analogous

#13554F #133A55 #131955

triadic

#133A55 #55133A #3A5513

tetradic

#133A55 #4F1355 #552E13 #195513

square

#133A55 #4F1355 #552E13 #195513

split-complementary

#133A55 #551319 #554F13

monochromatic

#061119 #081823 #133A55 #1E5C87 #297EB9

Accessibility & contrast

On white

11.90

#133A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#133A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A55

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A55	#FFFFFF	#000000	##FFFFFF
##133A55	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3B56

Deuteranopia (green-blind)

#253455

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133a55;
/* rgb */ color: rgb(19, 58, 85);
/* oklch */ color: oklch(33.5% 0.064 242.6);

Tailwind

colors: {
  custom: {
    50: '#5b7085',
    500: '#133a55',
    950: '#000000',
  },
}

SCSS

$custom: #133a55;
$custom-light: #5b7085;
$custom-dark: #000000;

JSON

{
  "hex": "#133a55",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 204.545,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.33503,
    "c": 0.06448,
    "h": 242.6
  },
  "luminance": 0.0382
}

Semantic roles & 50–950 ramp

primary

#133A55

secondary

#8D5A36

accent

#8541E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133A55

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

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