#131F34#131F34

#131F34 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.0% C 0.044 H 261.0°. Best body text is #FFFFFF at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#131F34
RGB	rgb(19, 31, 52)
HSL	hsl(218, 46%, 14%)
HSV	hsv(218, 63%, 20%)
CMYK	cmyk(63.5%, 40.4%, 0%, 79.6%)
CIE-LAB	lab(11.73, 2.40, -15.41)
CIE-LCH	lch(11.73, 15.59, 278.84°)
OKLab	oklab(23.98% -0.0068 -0.0435)
OKLCH	oklch(23.98% 0.044 261)
XYZ	xyz(1.3782, 1.3662, 3.4392)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F34 #342813

analogous

#133034 #131F34 #181334

triadic

#131F34 #34131F #1F3413

tetradic

#131F34 #341330 #342813 #133418

square

#131F34 #341330 #342813 #133418

split-complementary

#131F34 #341813 #303413

monochromatic

#080D16 #080D16 #131F34 #233A61 #34548E

Accessibility & contrast

On white

16.49

#131F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F34

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F34	#FFFFFF	#000000	##FFFFFF
##131F34	1.00	16.49	1.27	16.49
#FFFFFF	16.49	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172135

Deuteranopia (green-blind)

#131E34

Tritanopia (blue-blind)

#032427

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131f34;
/* rgb */ color: rgb(19, 31, 52);
/* oklch */ color: oklch(24.0% 0.044 261.0);

Tailwind

colors: {
  custom: {
    50: '#535a6b',
    500: '#131f34',
    950: '#000000',
  },
}

SCSS

$custom: #131f34;
$custom-light: #535a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#131f34",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 52
  },
  "hsl": {
    "h": 218.182,
    "s": 46.479,
    "l": 13.922
  },
  "oklch": {
    "l": 0.23976,
    "c": 0.04401,
    "h": 261
  },
  "luminance": 0.01366
}

Semantic roles & 50–950 ramp

primary

#131F34

secondary

#6C5937

accent

#A652D6

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #131F34

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

Preview Lab → · Contrast checker → · Palette generator →