#131C55#131C55

#131C55 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.103 H 270.5°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#131C55
RGB	rgb(19, 28, 85)
HSL	hsl(232, 63%, 20%)
HSV	hsv(232, 78%, 33%)
CMYK	cmyk(77.6%, 67.1%, 0%, 66.7%)
CIE-LAB	lab(13.38, 18.47, -35.76)
CIE-LCH	lch(13.38, 40.25, 297.31°)
OKLab	oklab(26.05% 0.0009 -0.1033)
OKLCH	oklch(26.05% 0.103 270.5)
XYZ	xyz(2.3229, 1.6246, 8.7837)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C55 #554C13

analogous

#133D55 #131C55 #2B1355

triadic

#131C55 #55131C #1C5513

tetradic

#131C55 #55133D #554C13 #13552B

square

#131C55 #55133D #554C13 #13552B

split-complementary

#131C55 #552B13 #3D5513

monochromatic

#060819 #080C23 #131C55 #1E2C87 #293DB9

Accessibility & contrast

On white

15.85

#131C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C55

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C55	#FFFFFF	#000000	##FFFFFF
##131C55	1.00	15.85	1.33	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002557

Deuteranopia (green-blind)

#001F54

Tritanopia (blue-blind)

#002B35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131c55;
/* rgb */ color: rgb(19, 28, 85);
/* oklch */ color: oklch(26.1% 0.103 270.5);

Tailwind

colors: {
  custom: {
    50: '#5c5885',
    500: '#131c55',
    950: '#000000',
  },
}

SCSS

$custom: #131c55;
$custom-light: #5c5885;
$custom-dark: #000000;

JSON

{
  "hex": "#131c55",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 231.818,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26053,
    "c": 0.10326,
    "h": 270.5
  },
  "luminance": 0.01625
}

Semantic roles & 50–950 ramp

primary

#131C55

secondary

#8D8236

accent

#D041E6

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131C55

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

Preview Lab → · Contrast checker → · Palette generator →