#131A64#131A64

#131A64 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.3% C 0.128 H 270.5°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#131A64
RGB	rgb(19, 26, 100)
HSL	hsl(235, 68%, 23%)
HSV	hsv(235, 81%, 39%)
CMYK	cmyk(81%, 74%, 0%, 60.8%)
CIE-LAB	lab(14.38, 25.94, -44.16)
CIE-LCH	lch(14.38, 51.21, 300.44°)
OKLab	oklab(27.26% 0.0011 -0.1278)
OKLCH	oklch(27.26% 0.128 270.5)
XYZ	xyz(2.9374, 1.7970, 12.2462)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A64 #645D13

analogous

#134264 #131A64 #341364

triadic

#131A64 #64131A #1A6413

tetradic

#131A64 #641342 #645D13 #136434

square

#131A64 #641342 #645D13 #136434

split-complementary

#131A64 #643413 #426413

monochromatic

#05071A #090D31 #131A64 #1D2797 #2735CB

Accessibility & contrast

On white

15.45

#131A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A64

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A64	#FFFFFF	#000000	##FFFFFF
##131A64	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002866

Deuteranopia (green-blind)

#002063

Tritanopia (blue-blind)

#002F3C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131a64;
/* rgb */ color: rgb(19, 26, 100);
/* oklch */ color: oklch(27.3% 0.128 270.5);

Tailwind

colors: {
  custom: {
    50: '#605791',
    500: '#131a64',
    950: '#000000',
  },
}

SCSS

$custom: #131a64;
$custom-light: #605791;
$custom-dark: #000000;

JSON

{
  "hex": "#131a64",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 100
  },
  "hsl": {
    "h": 234.815,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27257,
    "c": 0.12782,
    "h": 270.5
  },
  "luminance": 0.01797
}

Semantic roles & 50–950 ramp

primary

#131A64

secondary

#9C9337

accent

#DC3DEB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #131A64

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

Preview Lab → · Contrast checker → · Palette generator →