#133E5C#133E5C

#133E5C is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.070 H 243.1°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#133E5C
RGB	rgb(19, 62, 92)
HSL	hsl(205, 66%, 22%)
HSV	hsv(205, 79%, 36%)
CMYK	cmyk(79.3%, 32.6%, 0%, 63.9%)
CIE-LAB	lab(24.82, -3.14, -22.09)
CIE-LCH	lch(24.82, 22.31, 261.90°)
OKLab	oklab(35.01% -0.0317 -0.0625)
OKLCH	oklch(35.01% 0.07 243.1)
XYZ	xyz(3.9222, 4.3560, 10.7572)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E5C #5C3113

analogous

#135C56 #133E5C #13195C

triadic

#133E5C #5C133E #3E5C13

tetradic

#133E5C #56135C #5C3113 #195C13

square

#133E5C #56135C #5C3113 #195C13

split-complementary

#133E5C #5C1319 #5C5613

monochromatic

#051119 #091C29 #133E5C #1D608F #2882C1

Accessibility & contrast

On white

11.22

#133E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E5C

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E5C	#FFFFFF	#000000	##FFFFFF
##133E5C	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303F5D

Deuteranopia (green-blind)

#26385B

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133e5c;
/* rgb */ color: rgb(19, 62, 92);
/* oklch */ color: oklch(35.0% 0.070 243.1);

Tailwind

colors: {
  custom: {
    50: '#5c738a',
    500: '#133e5c',
    950: '#000000',
  },
}

SCSS

$custom: #133e5c;
$custom-light: #5c738a;
$custom-dark: #000000;

JSON

{
  "hex": "#133e5c",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 92
  },
  "hsl": {
    "h": 204.658,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.35009,
    "c": 0.0701,
    "h": 243.1
  },
  "luminance": 0.04356
}

Semantic roles & 50–950 ramp

primary

#133E5C

secondary

#945D37

accent

#853FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #133E5C

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

Preview Lab → · Contrast checker → · Palette generator →