#131C3A#131C3A

#131C3A is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.6% C 0.059 H 269.0°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#131C3A
RGB	rgb(19, 28, 58)
HSL	hsl(226, 51%, 15%)
HSV	hsv(226, 67%, 23%)
CMYK	cmyk(67.2%, 51.7%, 0%, 77.3%)
CIE-LAB	lab(11.09, 7.14, -20.71)
CIE-LCH	lch(11.09, 21.91, 289.03°)
OKLab	oklab(23.62% -0.001 -0.059)
OKLCH	oklch(23.62% 0.059 269)
XYZ	xyz(1.4473, 1.2743, 4.1719)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C3A #3A3113

analogous

#132F3A #131C3A #1E133A

triadic

#131C3A #3A131C #1C3A13

tetradic

#131C3A #3A132F #3A3113 #133A1E

square

#131C3A #3A132F #3A3113 #133A1E

split-complementary

#131C3A #3A1E13 #2F3A13

monochromatic

#080B17 #080B17 #131C3A #223268 #314996

Accessibility & contrast

On white

16.74

#131C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#131C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C3A

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C3A	#FFFFFF	#000000	##FFFFFF
##131C3A	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E203B

Deuteranopia (green-blind)

#091C39

Tritanopia (blue-blind)

#002328

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131c3a;
/* rgb */ color: rgb(19, 28, 58);
/* oklch */ color: oklch(23.6% 0.059 269.0);

Tailwind

colors: {
  custom: {
    50: '#555770',
    500: '#131c3a',
    950: '#000000',
  },
}

SCSS

$custom: #131c3a;
$custom-light: #555770;
$custom-dark: #000000;

JSON

{
  "hex": "#131c3a",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 58
  },
  "hsl": {
    "h": 226.154,
    "s": 50.649,
    "l": 15.098
  },
  "oklch": {
    "l": 0.23615,
    "c": 0.05902,
    "h": 269
  },
  "luminance": 0.01274
}

Semantic roles & 50–950 ramp

primary

#131C3A

secondary

#726536

accent

#BA4EDA

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #131C3A

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

Preview Lab → · Contrast checker → · Palette generator →