#131571#131571

#131571 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.151 H 270.4°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#131571
RGB	rgb(19, 21, 113)
HSL	hsl(239, 71%, 26%)
HSV	hsv(239, 83%, 44%)
CMYK	cmyk(83.2%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(14.77, 33.97, -52.03)
CIE-LCH	lch(14.77, 62.14, 303.14°)
OKLab	oklab(27.98% 0.0011 -0.1507)
OKLCH	oklch(27.98% 0.151 270.4)
XYZ	xyz(3.5163, 1.8666, 15.7946)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131571 #716F13

analogous

#134471 #131571 #401371

triadic

#131571 #711315 #157113

tetradic

#131571 #711344 #716F13 #137140

square

#131571 #711344 #716F13 #137140

split-complementary

#131571 #714013 #447113

monochromatic

#04051A #0A0B3D #131571 #1C1FA5 #2528DA

Accessibility & contrast

On white

15.29

#131571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#131571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131571

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131571	#FFFFFF	#000000	##FFFFFF
##131571	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A74

Deuteranopia (green-blind)

#00206F

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131571;
/* rgb */ color: rgb(19, 21, 113);
/* oklch */ color: oklch(28.0% 0.151 270.4);

Tailwind

colors: {
  custom: {
    50: '#65549b',
    500: '#131571',
    950: '#000000',
  },
}

SCSS

$custom: #131571;
$custom-light: #65549b;
$custom-dark: #000000;

JSON

{
  "hex": "#131571",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 238.723,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.27982,
    "c": 0.15068,
    "h": 270.4
  },
  "luminance": 0.01867
}

Semantic roles & 50–950 ramp

primary

#131571

secondary

#A8A538

accent

#EA3AEE

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #131571

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

Preview Lab → · Contrast checker → · Palette generator →