#133A63#133A63

#133A63 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.084 H 252.5°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#133A63
RGB	rgb(19, 58, 99)
HSL	hsl(211, 68%, 23%)
HSV	hsv(211, 81%, 39%)
CMYK	cmyk(80.8%, 41.4%, 0%, 61.2%)
CIE-LAB	lab(23.88, 2.48, -28.11)
CIE-LCH	lch(23.88, 28.22, 275.03°)
OKLab	oklab(34.41% -0.0253 -0.0802)
OKLCH	oklch(34.41% 0.084 252.5)
XYZ	xyz(4.0329, 4.0649, 12.3740)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A63 #633C13

analogous

#136263 #133A63 #141363

triadic

#133A63 #63133A #3A6313

tetradic

#133A63 #631362 #633C13 #136314

square

#133A63 #631362 #633C13 #136314

split-complementary

#133A63 #631413 #626313

monochromatic

#050F1A #091C30 #133A63 #1D5896 #2776CA

Accessibility & contrast

On white

11.58

#133A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#133A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A63

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A63	#FFFFFF	#000000	##FFFFFF
##133A63	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)

#273D65

Deuteranopia (green-blind)

#1A3562

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133a63;
/* rgb */ color: rgb(19, 58, 99);
/* oklch */ color: oklch(34.4% 0.084 252.5);

Tailwind

colors: {
  custom: {
    50: '#5e6f8f',
    500: '#133a63',
    950: '#000000',
  },
}

SCSS

$custom: #133a63;
$custom-light: #5e6f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#133a63",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 99
  },
  "hsl": {
    "h": 210.75,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34412,
    "c": 0.08408,
    "h": 252.5
  },
  "luminance": 0.04065
}

Semantic roles & 50–950 ramp

primary

#133A63

secondary

#9B6A37

accent

#963DEB

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133A63

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

Preview Lab → · Contrast checker → · Palette generator →