#131D66#131D66

#131D66 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.0% C 0.127 H 269.6°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#131D66
RGB	rgb(19, 29, 102)
HSL	hsl(233, 69%, 24%)
HSV	hsv(233, 81%, 40%)
CMYK	cmyk(81.4%, 71.6%, 0%, 60%)
CIE-LAB	lab(15.36, 24.67, -43.87)
CIE-LCH	lch(15.36, 50.33, 299.35°)
OKLab	oklab(28.03% -0.0009 -0.127)
OKLCH	oklch(28.03% 0.127 269.6)
XYZ	xyz(3.1054, 1.9761, 12.7856)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D66 #665C13

analogous

#134666 #131D66 #321366

triadic

#131D66 #66131D #1D6613

tetradic

#131D66 #661346 #665C13 #136632

square

#131D66 #661346 #665C13 #136632

split-complementary

#131D66 #663213 #466613

monochromatic

#05071A #090E32 #131D66 #1D2C9A #263ACD

Accessibility & contrast

On white

15.05

#131D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#131D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D66

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D66	#FFFFFF	#000000	##FFFFFF
##131D66	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002265

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131d66;
/* rgb */ color: rgb(19, 29, 102);
/* oklch */ color: oklch(28.0% 0.127 269.6);

Tailwind

colors: {
  custom: {
    50: '#615992',
    500: '#131d66',
    950: '#000000',
  },
}

SCSS

$custom: #131d66;
$custom-light: #615992;
$custom-dark: #000000;

JSON

{
  "hex": "#131d66",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 232.771,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.2803,
    "c": 0.12697,
    "h": 269.6
  },
  "luminance": 0.01976
}

Semantic roles & 50–950 ramp

primary

#131D66

secondary

#9D9137

accent

#D63CEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131D66

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

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