#131A51#131A51

#131A51 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.100 H 271.6°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#131A51
RGB	rgb(19, 26, 81)
HSL	hsl(233, 62%, 20%)
HSV	hsv(233, 77%, 32%)
CMYK	cmyk(76.5%, 67.9%, 0%, 68.2%)
CIE-LAB	lab(12.42, 18.29, -34.60)
CIE-LCH	lch(12.42, 39.14, 297.86°)
OKLab	oklab(25.23% 0.0027 -0.0999)
OKLCH	oklch(25.23% 0.1 271.6)
XYZ	xyz(2.1227, 1.4711, 7.9551)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A51 #514A13

analogous

#133951 #131A51 #2B1351

triadic

#131A51 #51131A #1A5113

tetradic

#131A51 #511339 #514A13 #13512B

square

#131A51 #511339 #514A13 #13512B

split-complementary

#131A51 #512B13 #395113

monochromatic

#060819 #070A1F #131A51 #1F2A83 #2A3AB4

Accessibility & contrast

On white

16.23

#131A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#131A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A51

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A51	#FFFFFF	#000000	##FFFFFF
##131A51	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002353

Deuteranopia (green-blind)

#001E50

Tritanopia (blue-blind)

#002832

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131a51;
/* rgb */ color: rgb(19, 26, 81);
/* oklch */ color: oklch(25.2% 0.100 271.6);

Tailwind

colors: {
  custom: {
    50: '#5b5682',
    500: '#131a51',
    950: '#000000',
  },
}

SCSS

$custom: #131a51;
$custom-light: #5b5682;
$custom-dark: #000000;

JSON

{
  "hex": "#131a51",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 81
  },
  "hsl": {
    "h": 233.226,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25229,
    "c": 0.09992,
    "h": 271.6
  },
  "luminance": 0.01471
}

Semantic roles & 50–950 ramp

primary

#131A51

secondary

#8A8036

accent

#D343E5

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #131A51

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

Preview Lab → · Contrast checker → · Palette generator →