#131B52#131B52

#131B52 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.100 H 271.1°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#131B52
RGB	rgb(19, 27, 82)
HSL	hsl(232, 62%, 20%)
HSV	hsv(232, 77%, 32%)
CMYK	cmyk(76.8%, 67.1%, 0%, 67.8%)
CIE-LAB	lab(12.81, 17.96, -34.66)
CIE-LCH	lch(12.81, 39.04, 297.40°)
OKLab	oklab(25.54% 0.0019 -0.1)
OKLCH	oklch(25.54% 0.1 271.1)
XYZ	xyz(2.1830, 1.5313, 8.1615)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B52 #524A13

analogous

#133B52 #131B52 #2B1352

triadic

#131B52 #52131B #1B5213

tetradic

#131B52 #52133B #524A13 #13522B

square

#131B52 #52133B #524A13 #13522B

split-complementary

#131B52 #522B13 #3B5213

monochromatic

#060819 #070B20 #131B52 #1F2B84 #2A3CB5

Accessibility & contrast

On white

16.07

#131B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#131B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B52

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B52	#FFFFFF	#000000	##FFFFFF
##131B52	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002454

Deuteranopia (green-blind)

#001E51

Tritanopia (blue-blind)

#002933

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131b52;
/* rgb */ color: rgb(19, 27, 82);
/* oklch */ color: oklch(25.5% 0.100 271.1);

Tailwind

colors: {
  custom: {
    50: '#5b5783',
    500: '#131b52',
    950: '#000000',
  },
}

SCSS

$custom: #131b52;
$custom-light: #5b5783;
$custom-dark: #000000;

JSON

{
  "hex": "#131b52",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 82
  },
  "hsl": {
    "h": 232.381,
    "s": 62.376,
    "l": 19.804
  },
  "oklch": {
    "l": 0.25541,
    "c": 0.10006,
    "h": 271.1
  },
  "luminance": 0.01532
}

Semantic roles & 50–950 ramp

primary

#131B52

secondary

#8A8036

accent

#D142E5

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131B52

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

Preview Lab → · Contrast checker → · Palette generator →