#131F37#131F37

#131F37 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.2% C 0.049 H 263.1°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#131F37
RGB	rgb(19, 31, 55)
HSL	hsl(220, 49%, 15%)
HSV	hsv(220, 65%, 22%)
CMYK	cmyk(65.5%, 43.6%, 0%, 78.4%)
CIE-LAB	lab(11.92, 3.61, -17.26)
CIE-LCH	lch(11.92, 17.63, 281.81°)
OKLab	oklab(24.18% -0.0059 -0.0489)
OKLCH	oklch(24.18% 0.049 263.1)
XYZ	xyz(1.4479, 1.3941, 3.8065)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F37 #372B13

analogous

#133137 #131F37 #191337

triadic

#131F37 #37131F #1F3713

tetradic

#131F37 #371331 #372B13 #133719

square

#131F37 #371331 #372B13 #133719

split-complementary

#131F37 #371913 #313713

monochromatic

#080D17 #080D17 #131F37 #233964 #325292

Accessibility & contrast

On white

16.42

#131F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F37

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F37	#FFFFFF	#000000	##FFFFFF
##131F37	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152138

Deuteranopia (green-blind)

#111E36

Tritanopia (blue-blind)

#012428

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131f37;
/* rgb */ color: rgb(19, 31, 55);
/* oklch */ color: oklch(24.2% 0.049 263.1);

Tailwind

colors: {
  custom: {
    50: '#545a6e',
    500: '#131f37',
    950: '#000000',
  },
}

SCSS

$custom: #131f37;
$custom-light: #545a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#131f37",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 220,
    "s": 48.649,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24183,
    "c": 0.04922,
    "h": 263.1
  },
  "luminance": 0.01394
}

Semantic roles & 50–950 ramp

primary

#131F37

secondary

#6F5C37

accent

#AB50D8

background

#F4F5F6

surface

#E8E9EB

border

#C4C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #131F37

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

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