#133E51#133E51

#133E51 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.057 H 230.9°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#133E51
RGB	rgb(19, 62, 81)
HSL	hsl(198, 62%, 20%)
HSV	hsv(198, 77%, 32%)
CMYK	cmyk(76.5%, 23.5%, 0%, 68.2%)
CIE-LAB	lab(24.25, -7.53, -15.77)
CIE-LCH	lch(24.25, 17.47, 244.48°)
OKLab	oklab(34.37% -0.0359 -0.0442)
OKLCH	oklch(34.37% 0.057 230.9)
XYZ	xyz(3.4758, 4.1774, 8.4061)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E51 #512613

analogous

#135145 #133E51 #131F51

triadic

#133E51 #51133E #3E5113

tetradic

#133E51 #451351 #512613 #1F5113

square

#133E51 #451351 #512613 #1F5113

split-complementary

#133E51 #51131F #514513

monochromatic

#061319 #07181F #133E51 #1F6483 #2A8AB4

Accessibility & contrast

On white

11.44

#133E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E51

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E51	#FFFFFF	#000000	##FFFFFF
##133E51	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343D52

Deuteranopia (green-blind)

#2C3751

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133e51;
/* rgb */ color: rgb(19, 62, 81);
/* oklch */ color: oklch(34.4% 0.057 230.9);

Tailwind

colors: {
  custom: {
    50: '#5a7382',
    500: '#133e51',
    950: '#000000',
  },
}

SCSS

$custom: #133e51;
$custom-light: #5a7382;
$custom-dark: #000000;

JSON

{
  "hex": "#133e51",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 81
  },
  "hsl": {
    "h": 198.387,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34374,
    "c": 0.05699,
    "h": 230.9
  },
  "luminance": 0.04178
}

Semantic roles & 50–950 ramp

primary

#133E51

secondary

#8A5036

accent

#7443E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133E51

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

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