#131F47#131F47

#131F47 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.4% C 0.077 H 268.0°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#131F47
RGB	rgb(19, 31, 71)
HSL	hsl(226, 58%, 18%)
HSV	hsv(226, 73%, 28%)
CMYK	cmyk(73.2%, 56.3%, 0%, 72.2%)
CIE-LAB	lab(13.07, 10.31, -26.68)
CIE-LCH	lch(13.07, 28.60, 291.12°)
OKLab	oklab(25.43% -0.0026 -0.0765)
OKLCH	oklch(25.43% 0.077 268)
XYZ	xyz(1.8955, 1.5732, 6.1638)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F47 #473B13

analogous

#133947 #131F47 #211347

triadic

#131F47 #47131F #1F4713

tetradic

#131F47 #471339 #473B13 #134721

square

#131F47 #471339 #473B13 #134721

split-complementary

#131F47 #472113 #394713

monochromatic

#060B18 #060B18 #131F47 #203477 #2D49A8

Accessibility & contrast

On white

15.97

#131F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F47

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F47	#FFFFFF	#000000	##FFFFFF
##131F47	1.00	15.97	1.31	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082448

Deuteranopia (green-blind)

#001F46

Tritanopia (blue-blind)

#00282F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131f47;
/* rgb */ color: rgb(19, 31, 71);
/* oklch */ color: oklch(25.4% 0.077 268.0);

Tailwind

colors: {
  custom: {
    50: '#585a7a',
    500: '#131f47',
    950: '#000000',
  },
}

SCSS

$custom: #131f47;
$custom-light: #585a7a;
$custom-dark: #000000;

JSON

{
  "hex": "#131f47",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 71
  },
  "hsl": {
    "h": 226.154,
    "s": 57.778,
    "l": 17.647
  },
  "oklch": {
    "l": 0.25433,
    "c": 0.07656,
    "h": 268
  },
  "luminance": 0.01573
}

Semantic roles & 50–950 ramp

primary

#131F47

secondary

#806F36

accent

#BD47E1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #131F47

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

Preview Lab → · Contrast checker → · Palette generator →