#133C53#133C53

#133C53 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.060 H 237.1°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#133C53
RGB	rgb(19, 60, 83)
HSL	hsl(202, 63%, 20%)
HSV	hsv(202, 77%, 33%)
CMYK	cmyk(77.1%, 27.7%, 0%, 67.5%)
CIE-LAB	lab(23.65, -5.44, -18.01)
CIE-LCH	lch(23.65, 18.82, 253.18°)
OKLab	oklab(33.93% -0.0328 -0.0507)
OKLCH	oklch(33.93% 0.06 237.1)
XYZ	xyz(3.4451, 3.9943, 8.7713)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C53 #532A13

analogous

#13534A #133C53 #131C53

triadic

#133C53 #53133C #3C5313

tetradic

#133C53 #4A1353 #532A13 #1C5313

square

#133C53 #4A1353 #532A13 #1C5313

split-complementary

#133C53 #53131C #534A13

monochromatic

#061219 #081821 #133C53 #1E6085 #2A84B7

Accessibility & contrast

On white

11.67

#133C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#133C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C53

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C53	#FFFFFF	#000000	##FFFFFF
##133C53	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313C54

Deuteranopia (green-blind)

#283653

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133c53;
/* rgb */ color: rgb(19, 60, 83);
/* oklch */ color: oklch(33.9% 0.060 237.1);

Tailwind

colors: {
  custom: {
    50: '#5a7183',
    500: '#133c53',
    950: '#000000',
  },
}

SCSS

$custom: #133c53;
$custom-light: #5a7183;
$custom-dark: #000000;

JSON

{
  "hex": "#133c53",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 83
  },
  "hsl": {
    "h": 201.563,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.33932,
    "c": 0.06039,
    "h": 237.1
  },
  "luminance": 0.03995
}

Semantic roles & 50–950 ramp

primary

#133C53

secondary

#8B5536

accent

#7D42E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133C53

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

Preview Lab → · Contrast checker → · Palette generator →