#131B42#131B42

#131B42 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.074 H 271.1°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#131B42
RGB	rgb(19, 27, 66)
HSL	hsl(230, 55%, 17%)
HSV	hsv(230, 71%, 26%)
CMYK	cmyk(71.2%, 59.1%, 0%, 74.1%)
CIE-LAB	lab(11.38, 11.26, -25.91)
CIE-LCH	lch(11.38, 28.25, 293.50°)
OKLab	oklab(24.03% 0.0014 -0.0743)
OKLCH	oklch(24.03% 0.074 271.1)
XYZ	xyz(1.6435, 1.3155, 5.3205)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B42 #423A13

analogous

#133342 #131B42 #231342

triadic

#131B42 #42131B #1B4213

tetradic

#131B42 #421333 #423A13 #134223

square

#131B42 #421333 #423A13 #134223

split-complementary

#131B42 #422313 #334213

monochromatic

#070A18 #070A18 #131B42 #212E72 #2E42A1

Accessibility & contrast

On white

16.62

#131B42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131B42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B42

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B42	#FFFFFF	#000000	##FFFFFF
##131B42	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052043

Deuteranopia (green-blind)

#001C41

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131b42;
/* rgb */ color: rgb(19, 27, 66);
/* oklch */ color: oklch(24.0% 0.074 271.1);

Tailwind

colors: {
  custom: {
    50: '#575677',
    500: '#131b42',
    950: '#000000',
  },
}

SCSS

$custom: #131b42;
$custom-light: #575677;
$custom-dark: #000000;

JSON

{
  "hex": "#131b42",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 66
  },
  "hsl": {
    "h": 229.787,
    "s": 55.294,
    "l": 16.667
  },
  "oklch": {
    "l": 0.24032,
    "c": 0.07431,
    "h": 271.1
  },
  "luminance": 0.01316
}

Semantic roles & 50–950 ramp

primary

#131B42

secondary

#7B6F36

accent

#C549DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #131B42

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

Preview Lab → · Contrast checker → · Palette generator →