#131C50#131C50

#131C50 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.096 H 270.6°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#131C50
RGB	rgb(19, 28, 80)
HSL	hsl(231, 62%, 19%)
HSV	hsv(231, 76%, 31%)
CMYK	cmyk(76.3%, 65%, 0%, 68.6%)
CIE-LAB	lab(12.91, 16.39, -33.13)
CIE-LCH	lch(12.91, 36.96, 296.32°)
OKLab	oklab(25.56% 0.001 -0.0955)
OKLCH	oklch(25.56% 0.096 270.6)
XYZ	xyz(2.1313, 1.5479, 7.7743)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C50 #504713

analogous

#133B50 #131C50 #291350

triadic

#131C50 #50131C #1C5013

tetradic

#131C50 #50133B #504713 #135029

square

#131C50 #50133B #504713 #135029

split-complementary

#131C50 #502913 #3B5013

monochromatic

#060919 #070B1F #131C50 #1F2D81 #2A3FB3

Accessibility & contrast

On white

16.04

#131C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C50

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C50	#FFFFFF	#000000	##FFFFFF
##131C50	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002452

Deuteranopia (green-blind)

#001F4F

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131c50;
/* rgb */ color: rgb(19, 28, 80);
/* oklch */ color: oklch(25.6% 0.096 270.6);

Tailwind

colors: {
  custom: {
    50: '#5a5782',
    500: '#131c50',
    950: '#000000',
  },
}

SCSS

$custom: #131c50;
$custom-light: #5a5782;
$custom-dark: #000000;

JSON

{
  "hex": "#131c50",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 80
  },
  "hsl": {
    "h": 231.148,
    "s": 61.616,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25559,
    "c": 0.09553,
    "h": 270.6
  },
  "luminance": 0.01548
}

Semantic roles & 50–950 ramp

primary

#131C50

secondary

#897C36

accent

#CD43E5

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #131C50

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

Preview Lab → · Contrast checker → · Palette generator →