#133B50#133B50

#133B50 is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.058 H 235.2°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#133B50
RGB	rgb(19, 59, 80)
HSL	hsl(201, 62%, 19%)
HSV	hsv(201, 76%, 31%)
CMYK	cmyk(76.3%, 26.2%, 0%, 68.6%)
CIE-LAB	lab(23.15, -5.98, -16.81)
CIE-LCH	lch(23.15, 17.84, 250.42°)
OKLab	oklab(33.49% -0.0328 -0.0473)
OKLCH	oklch(33.49% 0.058 235.2)
XYZ	xyz(3.2799, 3.8452, 8.1572)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B50 #502813

analogous

#135047 #133B50 #131D50

triadic

#133B50 #50133B #3B5013

tetradic

#133B50 #471350 #502813 #1D5013

square

#133B50 #471350 #502813 #1D5013

split-complementary

#133B50 #50131D #504713

monochromatic

#061219 #07171F #133B50 #1F5F81 #2A84B3

Accessibility & contrast

On white

11.87

#133B50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#133B50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B50

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B50	#FFFFFF	#000000	##FFFFFF
##133B50	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313B51

Deuteranopia (green-blind)

#293550

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133b50;
/* rgb */ color: rgb(19, 59, 80);
/* oklch */ color: oklch(33.5% 0.058 235.2);

Tailwind

colors: {
  custom: {
    50: '#5a7081',
    500: '#133b50',
    950: '#000000',
  },
}

SCSS

$custom: #133b50;
$custom-light: #5a7081;
$custom-dark: #000000;

JSON

{
  "hex": "#133b50",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 80
  },
  "hsl": {
    "h": 200.656,
    "s": 61.616,
    "l": 19.412
  },
  "oklch": {
    "l": 0.33485,
    "c": 0.05753,
    "h": 235.2
  },
  "luminance": 0.03846
}

Semantic roles & 50–950 ramp

primary

#133B50

secondary

#895336

accent

#7B43E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133B50

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

Preview Lab → · Contrast checker → · Palette generator →