#133F50#133F50

#133F50 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.056 H 227.5°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#133F50
RGB	rgb(19, 63, 80)
HSL	hsl(197, 62%, 19%)
HSV	hsv(197, 76%, 31%)
CMYK	cmyk(76.3%, 21.2%, 0%, 68.6%)
CIE-LAB	lab(24.55, -8.55, -14.64)
CIE-LCH	lch(24.55, 16.95, 239.71°)
OKLab	oklab(34.6% -0.0375 -0.041)
OKLCH	oklch(34.6% 0.056 227.5)
XYZ	xyz(3.4934, 4.2723, 8.2284)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F50 #502413

analogous

#135043 #133F50 #132150

triadic

#133F50 #50133F #3F5013

tetradic

#133F50 #431350 #502413 #215013

square

#133F50 #431350 #502413 #215013

split-complementary

#133F50 #501321 #504313

monochromatic

#061319 #07181F #133F50 #1F6681 #2A8DB3

Accessibility & contrast

On white

11.32

#133F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F50

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F50	#FFFFFF	#000000	##FFFFFF
##133F50	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363E51

Deuteranopia (green-blind)

#2E3850

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133f50;
/* rgb */ color: rgb(19, 63, 80);
/* oklch */ color: oklch(34.6% 0.056 227.5);

Tailwind

colors: {
  custom: {
    50: '#5a7481',
    500: '#133f50',
    950: '#000000',
  },
}

SCSS

$custom: #133f50;
$custom-light: #5a7481;
$custom-dark: #000000;

JSON

{
  "hex": "#133f50",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 80
  },
  "hsl": {
    "h": 196.721,
    "s": 61.616,
    "l": 19.412
  },
  "oklch": {
    "l": 0.346,
    "c": 0.0556,
    "h": 227.5
  },
  "luminance": 0.04273
}

Semantic roles & 50–950 ramp

primary

#133F50

secondary

#894D36

accent

#7043E5

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133F50

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

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