#131A53#131A53

#131A53 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.103 H 271.5°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#131A53
RGB	rgb(19, 26, 83)
HSL	hsl(233, 63%, 20%)
HSV	hsv(233, 77%, 33%)
CMYK	cmyk(77.1%, 68.7%, 0%, 67.5%)
CIE-LAB	lab(12.62, 19.11, -35.65)
CIE-LCH	lch(12.62, 40.45, 298.20°)
OKLab	oklab(25.43% 0.0027 -0.1029)
OKLCH	oklch(25.43% 0.103 271.5)
XYZ	xyz(2.1988, 1.5016, 8.3559)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A53 #534C13

analogous

#133A53 #131A53 #2C1353

triadic

#131A53 #53131A #1A5313

tetradic

#131A53 #53133A #534C13 #13532C

square

#131A53 #53133A #534C13 #13532C

split-complementary

#131A53 #532C13 #3A5313

monochromatic

#060819 #080A21 #131A53 #1E2A85 #2A39B7

Accessibility & contrast

On white

16.15

#131A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A53

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A53	#FFFFFF	#000000	##FFFFFF
##131A53	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002455

Deuteranopia (green-blind)

#001E52

Tritanopia (blue-blind)

#002933

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131a53;
/* rgb */ color: rgb(19, 26, 83);
/* oklch */ color: oklch(25.4% 0.103 271.5);

Tailwind

colors: {
  custom: {
    50: '#5b5684',
    500: '#131a53',
    950: '#000000',
  },
}

SCSS

$custom: #131a53;
$custom-light: #5b5684;
$custom-dark: #000000;

JSON

{
  "hex": "#131a53",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 83
  },
  "hsl": {
    "h": 233.438,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.25432,
    "c": 0.10298,
    "h": 271.5
  },
  "luminance": 0.01502
}

Semantic roles & 50–950 ramp

primary

#131A53

secondary

#8B8236

accent

#D442E6

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131A53

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

Preview Lab → · Contrast checker → · Palette generator →