#133B56#133B56

#133B56 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.065 H 242.0°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#133B56
RGB	rgb(19, 59, 86)
HSL	hsl(204, 64%, 21%)
HSV	hsv(204, 78%, 34%)
CMYK	cmyk(77.9%, 31.4%, 0%, 66.3%)
CIE-LAB	lab(23.47, -3.58, -20.28)
CIE-LCH	lch(23.47, 20.59, 259.99°)
OKLab	oklab(33.84% -0.0305 -0.0573)
OKLCH	oklch(33.84% 0.065 242)
XYZ	xyz(3.5116, 3.9379, 9.3773)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B56 #562E13

analogous

#13564F #133B56 #131956

triadic

#133B56 #56133B #3B5613

tetradic

#133B56 #4F1356 #562E13 #195613

square

#133B56 #4F1356 #562E13 #195613

split-complementary

#133B56 #561319 #564F13

monochromatic

#061119 #081924 #133B56 #1E5D88 #2980BA

Accessibility & contrast

On white

11.75

#133B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#133B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B56

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B56	#FFFFFF	#000000	##FFFFFF
##133B56	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3B57

Deuteranopia (green-blind)

#253556

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133b56;
/* rgb */ color: rgb(19, 59, 86);
/* oklch */ color: oklch(33.8% 0.065 242.0);

Tailwind

colors: {
  custom: {
    50: '#5b7085',
    500: '#133b56',
    950: '#000000',
  },
}

SCSS

$custom: #133b56;
$custom-light: #5b7085;
$custom-dark: #000000;

JSON

{
  "hex": "#133b56",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 204.179,
    "s": 63.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.33835,
    "c": 0.06492,
    "h": 242
  },
  "luminance": 0.03938
}

Semantic roles & 50–950 ramp

primary

#133B56

secondary

#8E5A36

accent

#8441E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133B56

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

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