#131C66#131C66

#131C66 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.128 H 269.9°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#131C66
RGB	rgb(19, 28, 102)
HSL	hsl(233, 69%, 24%)
HSV	hsv(233, 81%, 40%)
CMYK	cmyk(81.4%, 72.5%, 0%, 60%)
CIE-LAB	lab(15.10, 25.36, -44.29)
CIE-LCH	lch(15.10, 51.04, 299.80°)
OKLab	oklab(27.84% -0.0003 -0.1282)
OKLCH	oklch(27.84% 0.128 269.9)
XYZ	xyz(3.0813, 1.9279, 12.7775)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C66 #665D13

analogous

#134566 #131C66 #331366

triadic

#131C66 #66131C #1C6613

tetradic

#131C66 #661345 #665D13 #136633

square

#131C66 #661345 #665D13 #136633

split-complementary

#131C66 #663313 #456613

monochromatic

#05071A #090E32 #131C66 #1D2A9A #2638CD

Accessibility & contrast

On white

15.16

#131C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#131C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C66

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C66	#FFFFFF	#000000	##FFFFFF
##131C66	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002265

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131c66;
/* rgb */ color: rgb(19, 28, 102);
/* oklch */ color: oklch(27.8% 0.128 269.9);

Tailwind

colors: {
  custom: {
    50: '#615892',
    500: '#131c66',
    950: '#000000',
  },
}

SCSS

$custom: #131c66;
$custom-light: #615892;
$custom-dark: #000000;

JSON

{
  "hex": "#131c66",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 102
  },
  "hsl": {
    "h": 233.494,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27844,
    "c": 0.12821,
    "h": 269.9
  },
  "luminance": 0.01928
}

Semantic roles & 50–950 ramp

primary

#131C66

secondary

#9D9237

accent

#D83CEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131C66

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

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