#133F5D#133F5D

#133F5D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.071 H 242.6°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#133F5D
RGB	rgb(19, 63, 93)
HSL	hsl(204, 66%, 22%)
HSV	hsv(204, 80%, 36%)
CMYK	cmyk(79.6%, 32.3%, 0%, 63.5%)
CIE-LAB	lab(25.21, -3.40, -22.12)
CIE-LCH	lch(25.21, 22.38, 261.26°)
OKLab	oklab(35.34% -0.0324 -0.0626)
OKLCH	oklch(35.34% 0.071 242.6)
XYZ	xyz(4.0211, 4.4833, 11.0072)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F5D #5D3113

analogous

#135D56 #133F5D #131A5D

triadic

#133F5D #5D133F #3F5D13

tetradic

#133F5D #56135D #5D3113 #1A5D13

square

#133F5D #56135D #5D3113 #1A5D13

split-complementary

#133F5D #5D131A #5D5613

monochromatic

#051119 #091D2A #133F5D #1D6190 #2884C3

Accessibility & contrast

On white

11.07

#133F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#133F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F5D

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F5D	#FFFFFF	#000000	##FFFFFF
##133F5D	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31405E

Deuteranopia (green-blind)

#27395C

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133f5d;
/* rgb */ color: rgb(19, 63, 93);
/* oklch */ color: oklch(35.3% 0.071 242.6);

Tailwind

colors: {
  custom: {
    50: '#5d738b',
    500: '#133f5d',
    950: '#000000',
  },
}

SCSS

$custom: #133f5d;
$custom-light: #5d738b;
$custom-dark: #000000;

JSON

{
  "hex": "#133f5d",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 93
  },
  "hsl": {
    "h": 204.324,
    "s": 66.071,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35339,
    "c": 0.07051,
    "h": 242.6
  },
  "luminance": 0.04484
}

Semantic roles & 50–950 ramp

primary

#133F5D

secondary

#955D37

accent

#843FE9

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #133F5D

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

Preview Lab → · Contrast checker → · Palette generator →