#131D52#131D52

#131D52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.097 H 270.1°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#131D52
RGB	rgb(19, 29, 82)
HSL	hsl(230, 62%, 20%)
HSV	hsv(230, 77%, 32%)
CMYK	cmyk(76.8%, 64.6%, 0%, 67.8%)
CIE-LAB	lab(13.39, 16.47, -33.71)
CIE-LCH	lch(13.39, 37.52, 296.04°)
OKLab	oklab(25.97% 0.0001 -0.0972)
OKLCH	oklch(25.97% 0.097 270.1)
XYZ	xyz(2.2304, 1.6262, 8.1773)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D52 #524813

analogous

#133D52 #131D52 #281352

triadic

#131D52 #52131D #1D5213

tetradic

#131D52 #52133D #524813 #135228

square

#131D52 #52133D #524813 #135228

split-complementary

#131D52 #522813 #3D5213

monochromatic

#060919 #070B20 #131D52 #1F2F84 #2A40B5

Accessibility & contrast

On white

15.85

#131D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#131D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D52

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D52	#FFFFFF	#000000	##FFFFFF
##131D52	1.00	15.85	1.33	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002554

Deuteranopia (green-blind)

#002051

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131d52;
/* rgb */ color: rgb(19, 29, 82);
/* oklch */ color: oklch(26.0% 0.097 270.1);

Tailwind

colors: {
  custom: {
    50: '#5b5883',
    500: '#131d52',
    950: '#000000',
  },
}

SCSS

$custom: #131d52;
$custom-light: #5b5883;
$custom-dark: #000000;

JSON

{
  "hex": "#131d52",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 82
  },
  "hsl": {
    "h": 230.476,
    "s": 62.376,
    "l": 19.804
  },
  "oklch": {
    "l": 0.25973,
    "c": 0.09722,
    "h": 270.1
  },
  "luminance": 0.01626
}

Semantic roles & 50–950 ramp

primary

#131D52

secondary

#8A7D36

accent

#CC42E5

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131D52

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

Preview Lab → · Contrast checker → · Palette generator →