#133E4B#133E4B

#133E4B is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.052 H 221.5°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#133E4B
RGB	rgb(19, 62, 75)
HSL	hsl(194, 60%, 18%)
HSV	hsv(194, 75%, 29%)
CMYK	cmyk(74.7%, 17.3%, 0%, 70.6%)
CIE-LAB	lab(23.97, -9.82, -12.23)
CIE-LCH	lch(23.97, 15.69, 231.24°)
OKLab	oklab(34.06% -0.0386 -0.0341)
OKLCH	oklch(34.06% 0.052 221.5)
XYZ	xyz(3.2607, 4.0913, 7.2731)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E4B #4B2013

analogous

#134B3C #133E4B #13224B

triadic

#133E4B #4B133E #3E4B13

tetradic

#133E4B #3C134B #4B2013 #224B13

square

#133E4B #3C134B #4B2013 #224B13

split-complementary

#133E4B #4B1322 #4B3C13

monochromatic

#061418 #07161A #133E4B #1F667C #2C8FAD

Accessibility & contrast

On white

11.55

#133E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#133E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E4B

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E4B	#FFFFFF	#000000	##FFFFFF
##133E4B	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4C

Deuteranopia (green-blind)

#2E374B

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133e4b;
/* rgb */ color: rgb(19, 62, 75);
/* oklch */ color: oklch(34.1% 0.052 221.5);

Tailwind

colors: {
  custom: {
    50: '#59737d',
    500: '#133e4b',
    950: '#000000',
  },
}

SCSS

$custom: #133e4b;
$custom-light: #59737d;
$custom-dark: #000000;

JSON

{
  "hex": "#133e4b",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 193.929,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.3406,
    "c": 0.05151,
    "h": 221.5
  },
  "luminance": 0.04092
}

Semantic roles & 50–950 ramp

primary

#133E4B

secondary

#844836

accent

#6A45E3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #133E4B

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

Preview Lab → · Contrast checker → · Palette generator →