#133F4C#133F4C

#133F4C is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.052 H 221.1°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#133F4C
RGB	rgb(19, 63, 76)
HSL	hsl(194, 60%, 19%)
HSV	hsv(194, 75%, 30%)
CMYK	cmyk(75%, 17.1%, 0%, 70.2%)
CIE-LAB	lab(24.37, -10.07, -12.28)
CIE-LCH	lch(24.37, 15.88, 230.65°)
OKLab	oklab(34.39% -0.0393 -0.0343)
OKLCH	oklch(34.39% 0.052 221.1)
XYZ	xyz(3.3500, 4.2149, 7.4731)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F4C #4C2013

analogous

#134C3C #133F4C #13224C

triadic

#133F4C #4C133F #3F4C13

tetradic

#133F4C #3C134C #4C2013 #224C13

square

#133F4C #3C134C #4C2013 #224C13

split-complementary

#133F4C #4C1322 #4C3C13

monochromatic

#061418 #07161B #133F4C #1F687D #2B90AE

Accessibility & contrast

On white

11.39

#133F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F4C

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F4C	#FFFFFF	#000000	##FFFFFF
##133F4C	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373D4D

Deuteranopia (green-blind)

#2F374C

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133f4c;
/* rgb */ color: rgb(19, 63, 76);
/* oklch */ color: oklch(34.4% 0.052 221.1);

Tailwind

colors: {
  custom: {
    50: '#59747e',
    500: '#133f4c',
    950: '#000000',
  },
}

SCSS

$custom: #133f4c;
$custom-light: #59747e;
$custom-dark: #000000;

JSON

{
  "hex": "#133f4c",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 76
  },
  "hsl": {
    "h": 193.684,
    "s": 60,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34394,
    "c": 0.05217,
    "h": 221.1
  },
  "luminance": 0.04215
}

Semantic roles & 50–950 ramp

primary

#133F4C

secondary

#854836

accent

#6945E3

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #133F4C

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

Preview Lab → · Contrast checker → · Palette generator →