#131548#131548

#131548 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.093 H 274.8°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#131548
RGB	rgb(19, 21, 72)
HSL	hsl(238, 58%, 18%)
HSV	hsv(238, 74%, 28%)
CMYK	cmyk(73.6%, 70.8%, 0%, 71.8%)
CIE-LAB	lab(10.13, 18.30, -32.15)
CIE-LCH	lch(10.13, 36.99, 299.65°)
OKLab	oklab(23.27% 0.0077 -0.0927)
OKLCH	oklch(23.27% 0.093 274.8)
XYZ	xyz(1.7060, 1.1425, 6.2603)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131548 #484613

analogous

#132F48 #131548 #2B1348

triadic

#131548 #481315 #154813

tetradic

#131548 #48132F #484613 #13482B

square

#131548 #48132F #484613 #13482B

split-complementary

#131548 #482B13 #2F4813

monochromatic

#060718 #060718 #131548 #202378 #2D31A9

Accessibility & contrast

On white

17.09

#131548 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131548 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131548

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131548	#FFFFFF	#000000	##FFFFFF
##131548	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4A

Deuteranopia (green-blind)

#001947

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131548;
/* rgb */ color: rgb(19, 21, 72);
/* oklch */ color: oklch(23.3% 0.093 274.8);

Tailwind

colors: {
  custom: {
    50: '#59527b',
    500: '#131548',
    950: '#000000',
  },
}

SCSS

$custom: #131548;
$custom-light: #59527b;
$custom-dark: #000000;

JSON

{
  "hex": "#131548",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 72
  },
  "hsl": {
    "h": 237.736,
    "s": 58.242,
    "l": 17.843
  },
  "oklch": {
    "l": 0.23268,
    "c": 0.09303,
    "h": 274.8
  },
  "luminance": 0.01143
}

Semantic roles & 50–950 ramp

primary

#131548

secondary

#817E36

accent

#DC46E1

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #131548

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

Preview Lab → · Contrast checker → · Palette generator →