#131371#131371

#131371 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.153 H 270.6°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#131371
RGB	rgb(19, 19, 113)
HSL	hsl(240, 71%, 26%)
HSV	hsv(240, 83%, 44%)
CMYK	cmyk(83.2%, 83.2%, 0%, 55.7%)
CIE-LAB	lab(14.38, 35.11, -52.68)
CIE-LCH	lch(14.38, 63.31, 303.68°)
OKLab	oklab(27.71% 0.0017 -0.1525)
OKLCH	oklch(27.71% 0.153 270.6)
XYZ	xyz(3.4811, 1.7960, 15.7828)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131371 #717113

analogous

#134271 #131371 #421371

triadic

#131371 #711313 #137113

tetradic

#131371 #711342 #717113 #137142

square

#131371 #711342 #717113 #137142

split-complementary

#131371 #714213 #427113

monochromatic

#04041A #0A0A3D #131371 #1C1CA5 #2525DA

Accessibility & contrast

On white

15.45

#131371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131371

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131371	#FFFFFF	#000000	##FFFFFF
##131371	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002974

Deuteranopia (green-blind)

#001F6F

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131371;
/* rgb */ color: rgb(19, 19, 113);
/* oklch */ color: oklch(27.7% 0.153 270.6);

Tailwind

colors: {
  custom: {
    50: '#65539b',
    500: '#131371',
    950: '#000000',
  },
}

SCSS

$custom: #131371;
$custom-light: #65539b;
$custom-dark: #000000;

JSON

{
  "hex": "#131371",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 113
  },
  "hsl": {
    "h": 240,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.27706,
    "c": 0.15255,
    "h": 270.6
  },
  "luminance": 0.01796
}

Semantic roles & 50–950 ramp

primary

#131371

secondary

#A8A838

accent

#EE3AEE

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #131371

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

Preview Lab → · Contrast checker → · Palette generator →