#131A5D#131A5D

#131A5D is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.118 H 270.9°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#131A5D
RGB	rgb(19, 26, 93)
HSL	hsl(234, 66%, 22%)
HSV	hsv(234, 80%, 36%)
CMYK	cmyk(79.6%, 72%, 0%, 63.5%)
CIE-LAB	lab(13.63, 23.17, -40.73)
CIE-LCH	lch(13.63, 46.86, 299.64°)
OKLab	oklab(26.49% 0.0019 -0.1178)
OKLCH	oklch(26.49% 0.118 270.9)
XYZ	xyz(2.6131, 1.6673, 10.5379)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A5D #5D5613

analogous

#133F5D #131A5D #31135D

triadic

#131A5D #5D131A #1A5D13

tetradic

#131A5D #5D133F #5D5613 #135D31

square

#131A5D #5D133F #5D5613 #135D31

split-complementary

#131A5D #5D3113 #3F5D13

monochromatic

#050719 #090C2A #131A5D #1D2890 #2836C3

Accessibility & contrast

On white

15.75

#131A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A5D

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A5D	#FFFFFF	#000000	##FFFFFF
##131A5D	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002C39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131a5d;
/* rgb */ color: rgb(19, 26, 93);
/* oklch */ color: oklch(26.5% 0.118 270.9);

Tailwind

colors: {
  custom: {
    50: '#5e568c',
    500: '#131a5d',
    950: '#000000',
  },
}

SCSS

$custom: #131a5d;
$custom-light: #5e568c;
$custom-dark: #000000;

JSON

{
  "hex": "#131a5d",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 93
  },
  "hsl": {
    "h": 234.324,
    "s": 66.071,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26487,
    "c": 0.11783,
    "h": 270.9
  },
  "luminance": 0.01668
}

Semantic roles & 50–950 ramp

primary

#131A5D

secondary

#958C37

accent

#D93FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131A5D

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

Preview Lab → · Contrast checker → · Palette generator →