#133D5C#133D5C

#133D5C is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.071 H 244.5°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#133D5C
RGB	rgb(19, 61, 92)
HSL	hsl(205, 66%, 22%)
HSV	hsv(205, 79%, 36%)
CMYK	cmyk(79.3%, 33.7%, 0%, 63.9%)
CIE-LAB	lab(24.48, -2.48, -22.62)
CIE-LCH	lch(24.48, 22.76, 263.75°)
OKLab	oklab(34.74% -0.0306 -0.0641)
OKLCH	oklch(34.74% 0.071 244.5)
XYZ	xyz(3.8683, 4.2482, 10.7393)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D5C #5C3213

analogous

#135C57 #133D5C #13195C

triadic

#133D5C #5C133D #3D5C13

tetradic

#133D5C #57135C #5C3213 #195C13

square

#133D5C #57135C #5C3213 #195C13

split-complementary

#133D5C #5C1319 #5C5713

monochromatic

#051119 #091B29 #133D5C #1D5F8F #2880C1

Accessibility & contrast

On white

11.35

#133D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D5C

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D5C	#FFFFFF	#000000	##FFFFFF
##133D5C	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3E5D

Deuteranopia (green-blind)

#25375B

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133d5c;
/* rgb */ color: rgb(19, 61, 92);
/* oklch */ color: oklch(34.7% 0.071 244.5);

Tailwind

colors: {
  custom: {
    50: '#5c728a',
    500: '#133d5c',
    950: '#000000',
  },
}

SCSS

$custom: #133d5c;
$custom-light: #5c728a;
$custom-dark: #000000;

JSON

{
  "hex": "#133d5c",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 92
  },
  "hsl": {
    "h": 205.479,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.34741,
    "c": 0.07103,
    "h": 244.5
  },
  "luminance": 0.04249
}

Semantic roles & 50–950 ramp

primary

#133D5C

secondary

#945E37

accent

#873FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #133D5C

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

Preview Lab → · Contrast checker → · Palette generator →