#133E4F#133E4F

#133E4F is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.055 H 228.0°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#133E4F
RGB	rgb(19, 62, 79)
HSL	hsl(197, 61%, 19%)
HSV	hsv(197, 76%, 31%)
CMYK	cmyk(75.9%, 21.5%, 0%, 69%)
CIE-LAB	lab(24.15, -8.30, -14.59)
CIE-LCH	lch(24.15, 16.79, 240.37°)
OKLab	oklab(34.27% -0.0368 -0.0409)
OKLCH	oklch(34.27% 0.055 228)
XYZ	xyz(3.4019, 4.1478, 8.0169)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E4F #4F2413

analogous

#134F42 #133E4F #13204F

triadic

#133E4F #4F133E #3E4F13

tetradic

#133E4F #42134F #4F2413 #204F13

square

#133E4F #42134F #4F2413 #204F13

split-complementary

#133E4F #4F1320 #4F4213

monochromatic

#061319 #07171E #133E4F #1F6580 #2B8BB2

Accessibility & contrast

On white

11.48

#133E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#133E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E4F

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E4F	#FFFFFF	#000000	##FFFFFF
##133E4F	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D50

Deuteranopia (green-blind)

#2D374F

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133e4f;
/* rgb */ color: rgb(19, 62, 79);
/* oklch */ color: oklch(34.3% 0.055 228.0);

Tailwind

colors: {
  custom: {
    50: '#5a7380',
    500: '#133e4f',
    950: '#000000',
  },
}

SCSS

$custom: #133e4f;
$custom-light: #5a7380;
$custom-dark: #000000;

JSON

{
  "hex": "#133e4f",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 197,
    "s": 61.224,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34267,
    "c": 0.055,
    "h": 228
  },
  "luminance": 0.04148
}

Semantic roles & 50–950 ramp

primary

#133E4F

secondary

#884D36

accent

#7143E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133E4F

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

Preview Lab → · Contrast checker → · Palette generator →