#131C53#131C53

#131C53 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.100 H 270.6°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#131C53
RGB	rgb(19, 28, 83)
HSL	hsl(232, 63%, 20%)
HSV	hsv(232, 77%, 33%)
CMYK	cmyk(77.1%, 66.3%, 0%, 67.5%)
CIE-LAB	lab(13.19, 17.64, -34.72)
CIE-LCH	lch(13.19, 38.94, 296.93°)
OKLab	oklab(25.85% 0.001 -0.1002)
OKLCH	oklch(25.85% 0.1 270.6)
XYZ	xyz(2.2446, 1.5933, 8.3712)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C53 #534A13

analogous

#133C53 #131C53 #2A1353

triadic

#131C53 #53131C #1C5313

tetradic

#131C53 #53133C #534A13 #13532A

square

#131C53 #53133C #534A13 #13532A

split-complementary

#131C53 #532A13 #3C5313

monochromatic

#060819 #080B21 #131C53 #1E2D85 #2A3EB7

Accessibility & contrast

On white

15.93

#131C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#131C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C53

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C53	#FFFFFF	#000000	##FFFFFF
##131C53	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002555

Deuteranopia (green-blind)

#001F52

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131c53;
/* rgb */ color: rgb(19, 28, 83);
/* oklch */ color: oklch(25.9% 0.100 270.6);

Tailwind

colors: {
  custom: {
    50: '#5b5784',
    500: '#131c53',
    950: '#000000',
  },
}

SCSS

$custom: #131c53;
$custom-light: #5b5784;
$custom-dark: #000000;

JSON

{
  "hex": "#131c53",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 83
  },
  "hsl": {
    "h": 231.563,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.25854,
    "c": 0.10019,
    "h": 270.6
  },
  "luminance": 0.01593
}

Semantic roles & 50–950 ramp

primary

#131C53

secondary

#8B7F36

accent

#CF42E6

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131C53

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

Preview Lab → · Contrast checker → · Palette generator →