#131366#131366

#131366 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.3% C 0.138 H 271.7°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#131366
RGB	rgb(19, 19, 102)
HSL	hsl(240, 69%, 24%)
HSV	hsv(240, 81%, 40%)
CMYK	cmyk(81.4%, 81.4%, 0%, 60%)
CIE-LAB	lab(13.00, 31.20, -47.75)
CIE-LCH	lch(13.00, 57.04, 303.16°)
OKLab	oklab(26.34% 0.0041 -0.1383)
OKLCH	oklch(26.34% 0.138 271.7)
XYZ	xyz(2.8989, 1.5632, 12.7167)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131366 #666613

analogous

#133C66 #131366 #3C1366

triadic

#131366 #661313 #136613

tetradic

#131366 #66133C #666613 #13663C

square

#131366 #66133C #666613 #13663C

split-complementary

#131366 #663C13 #3C6613

monochromatic

#05051A #090932 #131366 #1D1D9A #2626CD

Accessibility & contrast

On white

16.00

#131366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131366

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131366	#FFFFFF	#000000	##FFFFFF
##131366	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002668

Deuteranopia (green-blind)

#001D65

Tritanopia (blue-blind)

#002C3C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131366;
/* rgb */ color: rgb(19, 19, 102);
/* oklch */ color: oklch(26.3% 0.138 271.7);

Tailwind

colors: {
  custom: {
    50: '#625293',
    500: '#131366',
    950: '#000000',
  },
}

SCSS

$custom: #131366;
$custom-light: #625293;
$custom-dark: #000000;

JSON

{
  "hex": "#131366",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 102
  },
  "hsl": {
    "h": 240,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26342,
    "c": 0.13831,
    "h": 271.7
  },
  "luminance": 0.01564
}

Semantic roles & 50–950 ramp

primary

#131366

secondary

#9D9D37

accent

#EB3CEB

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #131366

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

Preview Lab → · Contrast checker → · Palette generator →