#131E71#131E71

#131E71 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.4% C 0.141 H 269.0°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#131E71
RGB	rgb(19, 30, 113)
HSL	hsl(233, 71%, 26%)
HSV	hsv(233, 83%, 44%)
CMYK	cmyk(83.2%, 73.5%, 0%, 55.7%)
CIE-LAB	lab(16.79, 28.31, -48.70)
CIE-LCH	lch(16.79, 56.32, 300.17°)
OKLab	oklab(29.42% -0.0025 -0.141)
OKLCH	oklch(29.42% 0.141 269)
XYZ	xyz(3.7124, 2.2588, 15.8599)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131E71 #716613

analogous

#134D71 #131E71 #371371

triadic

#131E71 #71131E #1E7113

tetradic

#131E71 #71134D #716613 #137137

square

#131E71 #71134D #716613 #137137

split-complementary

#131E71 #713713 #4D7113

monochromatic

#04071A #0A103D #131E71 #1C2CA5 #253ADA

Accessibility & contrast

On white

14.46

#131E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#131E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E71

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131E71	#FFFFFF	#000000	##FFFFFF
##131E71	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#00256F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #131e71;
/* rgb */ color: rgb(19, 30, 113);
/* oklch */ color: oklch(29.4% 0.141 269.0);

Tailwind

colors: {
  custom: {
    50: '#645a9b',
    500: '#131e71',
    950: '#000000',
  },
}

SCSS

$custom: #131e71;
$custom-light: #645a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#131e71",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 113
  },
  "hsl": {
    "h": 232.979,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29421,
    "c": 0.14107,
    "h": 269
  },
  "luminance": 0.02259
}

Semantic roles & 50–950 ramp

primary

#131E71

secondary

#A89B38

accent

#D93AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #131E71

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

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