#133D51#133D51

#133D51 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.058 H 232.8°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#133D51
RGB	rgb(19, 61, 81)
HSL	hsl(199, 62%, 20%)
HSV	hsv(199, 77%, 32%)
CMYK	cmyk(76.5%, 24.7%, 0%, 68.2%)
CIE-LAB	lab(23.90, -6.88, -16.31)
CIE-LCH	lch(23.90, 17.70, 247.11°)
OKLab	oklab(34.1% -0.0348 -0.0458)
OKLCH	oklch(34.1% 0.058 232.8)
XYZ	xyz(3.4219, 4.0696, 8.3882)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D51 #512713

analogous

#135146 #133D51 #131E51

triadic

#133D51 #51133D #3D5113

tetradic

#133D51 #461351 #512713 #1E5113

square

#133D51 #461351 #512713 #1E5113

split-complementary

#133D51 #51131E #514613

monochromatic

#061319 #07181F #133D51 #1F6283 #2A88B4

Accessibility & contrast

On white

11.58

#133D51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#133D51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D51

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D51	#FFFFFF	#000000	##FFFFFF
##133D51	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333C52

Deuteranopia (green-blind)

#2B3651

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133d51;
/* rgb */ color: rgb(19, 61, 81);
/* oklch */ color: oklch(34.1% 0.058 232.8);

Tailwind

colors: {
  custom: {
    50: '#5a7282',
    500: '#133d51',
    950: '#000000',
  },
}

SCSS

$custom: #133d51;
$custom-light: #5a7282;
$custom-dark: #000000;

JSON

{
  "hex": "#133d51",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 81
  },
  "hsl": {
    "h": 199.355,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34096,
    "c": 0.0575,
    "h": 232.8
  },
  "luminance": 0.0407
}

Semantic roles & 50–950 ramp

primary

#133D51

secondary

#8A5136

accent

#7743E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133D51

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

Preview Lab → · Contrast checker → · Palette generator →