#131747#131747

#131747 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.089 H 273.8°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#131747
RGB	rgb(19, 23, 71)
HSL	hsl(235, 58%, 18%)
HSV	hsv(235, 73%, 28%)
CMYK	cmyk(73.2%, 67.6%, 0%, 72.2%)
CIE-LAB	lab(10.60, 16.40, -30.67)
CIE-LCH	lch(10.60, 34.78, 298.13°)
OKLab	oklab(23.59% 0.0059 -0.0884)
OKLCH	oklch(23.59% 0.089 273.8)
XYZ	xyz(1.7119, 1.2060, 6.1026)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131747 #474313

analogous

#133147 #131747 #291347

triadic

#131747 #471317 #174713

tetradic

#131747 #471331 #474313 #134729

square

#131747 #471331 #474313 #134729

split-complementary

#131747 #472913 #314713

monochromatic

#060818 #060818 #131747 #202777 #2D36A8

Accessibility & contrast

On white

16.92

#131747 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#131747 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131747

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131747	#FFFFFF	#000000	##FFFFFF
##131747	1.00	16.92	1.24	16.92
#FFFFFF	16.92	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F49

Deuteranopia (green-blind)

#001A46

Tritanopia (blue-blind)

#00232C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131747;
/* rgb */ color: rgb(19, 23, 71);
/* oklch */ color: oklch(23.6% 0.089 273.8);

Tailwind

colors: {
  custom: {
    50: '#58537b',
    500: '#131747',
    950: '#000000',
  },
}

SCSS

$custom: #131747;
$custom-light: #58537b;
$custom-dark: #000000;

JSON

{
  "hex": "#131747",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 71
  },
  "hsl": {
    "h": 235.385,
    "s": 57.778,
    "l": 17.647
  },
  "oklch": {
    "l": 0.23587,
    "c": 0.08856,
    "h": 273.8
  },
  "luminance": 0.01206
}

Semantic roles & 50–950 ramp

primary

#131747

secondary

#807A36

accent

#D547E1

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #131747

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

Preview Lab → · Contrast checker → · Palette generator →