#131C47#131C47

#131C47 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.081 H 270.5°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#131C47
RGB	rgb(19, 28, 71)
HSL	hsl(230, 58%, 18%)
HSV	hsv(230, 73%, 28%)
CMYK	cmyk(73.2%, 60.6%, 0%, 72.2%)
CIE-LAB	lab(12.11, 12.60, -28.22)
CIE-LCH	lch(12.11, 30.90, 294.07°)
OKLab	oklab(24.72% 0.0007 -0.0811)
OKLCH	oklch(24.72% 0.081 270.5)
XYZ	xyz(1.8208, 1.4237, 6.1389)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C47 #473E13

analogous

#133647 #131C47 #241347

triadic

#131C47 #47131C #1C4713

tetradic

#131C47 #471336 #473E13 #134724

square

#131C47 #471336 #473E13 #134724

split-complementary

#131C47 #472413 #364713

monochromatic

#060A18 #060A18 #131C47 #202F77 #2D42A8

Accessibility & contrast

On white

16.34

#131C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C47

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C47	#FFFFFF	#000000	##FFFFFF
##131C47	1.00	16.34	1.28	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012248

Deuteranopia (green-blind)

#001D46

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131c47;
/* rgb */ color: rgb(19, 28, 71);
/* oklch */ color: oklch(24.7% 0.081 270.5);

Tailwind

colors: {
  custom: {
    50: '#58577b',
    500: '#131c47',
    950: '#000000',
  },
}

SCSS

$custom: #131c47;
$custom-light: #58577b;
$custom-dark: #000000;

JSON

{
  "hex": "#131c47",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 71
  },
  "hsl": {
    "h": 229.615,
    "s": 57.778,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24715,
    "c": 0.08108,
    "h": 270.5
  },
  "luminance": 0.01424
}

Semantic roles & 50–950 ramp

primary

#131C47

secondary

#807336

accent

#C647E1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #131C47

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

Preview Lab → · Contrast checker → · Palette generator →