#133577#133577

#133577 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.7% C 0.120 H 261.9°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#133577
RGB	rgb(19, 53, 119)
HSL	hsl(220, 72%, 27%)
HSV	hsv(220, 84%, 47%)
CMYK	cmyk(84%, 55.5%, 0%, 53.3%)
CIE-LAB	lab(23.72, 14.49, -41.21)
CIE-LCH	lch(23.72, 43.68, 289.37°)
OKLab	oklab(34.74% -0.017 -0.1188)
OKLCH	oklch(34.74% 0.12 261.9)
XYZ	xyz(4.8702, 4.0160, 17.9677)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133577 #775513

analogous

#136777 #133577 #231377

triadic

#133577 #771335 #357713

tetradic

#133577 #771367 #775513 #137723

square

#133577 #771367 #775513 #137723

split-complementary

#133577 #772313 #677713

monochromatic

#040C1A #0B1D42 #133577 #1B4DAC #2865DD

Accessibility & contrast

On white

11.64

#133577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#133577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133577

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133577	#FFFFFF	#000000	##FFFFFF
##133577	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023D79

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133577;
/* rgb */ color: rgb(19, 53, 119);
/* oklch */ color: oklch(34.7% 0.120 261.9);

Tailwind

colors: {
  custom: {
    50: '#636b9f',
    500: '#133577',
    950: '#000000',
  },
}

SCSS

$custom: #133577;
$custom-light: #636b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#133577",
  "rgb": {
    "r": 19,
    "g": 53,
    "b": 119
  },
  "hsl": {
    "h": 219.6,
    "s": 72.464,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34743,
    "c": 0.12004,
    "h": 261.9
  },
  "luminance": 0.04017
}

Semantic roles & 50–950 ramp

primary

#133577

secondary

#AD8639

accent

#B139EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #133577

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

Preview Lab → · Contrast checker → · Palette generator →