#133D5D#133D5D

#133D5D is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.072 H 245.3°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#133D5D
RGB	rgb(19, 61, 93)
HSL	hsl(206, 66%, 22%)
HSV	hsv(206, 80%, 36%)
CMYK	cmyk(79.6%, 34.4%, 0%, 63.5%)
CIE-LAB	lab(24.53, -2.07, -23.18)
CIE-LCH	lch(24.53, 23.28, 264.91°)
OKLab	oklab(34.8% -0.0302 -0.0657)
OKLCH	oklch(34.8% 0.072 245.3)
XYZ	xyz(3.9123, 4.2658, 10.9710)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D5D #5D3313

analogous

#135D58 #133D5D #13185D

triadic

#133D5D #5D133D #3D5D13

tetradic

#133D5D #58135D #5D3313 #185D13

square

#133D5D #58135D #5D3313 #185D13

split-complementary

#133D5D #5D1318 #5D5813

monochromatic

#051119 #091C2A #133D5D #1D5E90 #2880C3

Accessibility & contrast

On white

11.33

#133D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D5D

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D5D	#FFFFFF	#000000	##FFFFFF
##133D5D	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3E5E

Deuteranopia (green-blind)

#24375C

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133d5d;
/* rgb */ color: rgb(19, 61, 93);
/* oklch */ color: oklch(34.8% 0.072 245.3);

Tailwind

colors: {
  custom: {
    50: '#5d728b',
    500: '#133d5d',
    950: '#000000',
  },
}

SCSS

$custom: #133d5d;
$custom-light: #5d728b;
$custom-dark: #000000;

JSON

{
  "hex": "#133d5d",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 205.946,
    "s": 66.071,
    "l": 21.961
  },
  "oklch": {
    "l": 0.34804,
    "c": 0.07236,
    "h": 245.3
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#133D5D

secondary

#956037

accent

#883FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133D5D

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

Preview Lab → · Contrast checker → · Palette generator →