#133A4F#133A4F

#133A4F is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.057 H 235.8°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#133A4F
RGB	rgb(19, 58, 79)
HSL	hsl(201, 61%, 19%)
HSV	hsv(201, 76%, 31%)
CMYK	cmyk(75.9%, 26.6%, 0%, 69%)
CIE-LAB	lab(22.75, -5.72, -16.77)
CIE-LCH	lch(22.75, 17.71, 251.16°)
OKLab	oklab(33.15% -0.032 -0.0471)
OKLCH	oklch(33.15% 0.057 235.8)
XYZ	xyz(3.1923, 3.7287, 7.9471)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A4F #4F2813

analogous

#134F46 #133A4F #131C4F

triadic

#133A4F #4F133A #3A4F13

tetradic

#133A4F #46134F #4F2813 #1C4F13

square

#133A4F #46134F #4F2813 #1C4F13

split-complementary

#133A4F #4F131C #4F4613

monochromatic

#061219 #07161E #133A4F #1F5E80 #2B82B2

Accessibility & contrast

On white

12.03

#133A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#133A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A4F

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A4F	#FFFFFF	#000000	##FFFFFF
##133A4F	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303A50

Deuteranopia (green-blind)

#28344F

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133a4f;
/* rgb */ color: rgb(19, 58, 79);
/* oklch */ color: oklch(33.1% 0.057 235.8);

Tailwind

colors: {
  custom: {
    50: '#597080',
    500: '#133a4f',
    950: '#000000',
  },
}

SCSS

$custom: #133a4f;
$custom-light: #597080;
$custom-dark: #000000;

JSON

{
  "hex": "#133a4f",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 201,
    "s": 61.224,
    "l": 19.216
  },
  "oklch": {
    "l": 0.3315,
    "c": 0.05699,
    "h": 235.8
  },
  "luminance": 0.03729
}

Semantic roles & 50–950 ramp

primary

#133A4F

secondary

#885336

accent

#7C43E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133A4F

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

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