#131871#131871

#131871 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.148 H 270.0°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#131871
RGB	rgb(19, 24, 113)
HSL	hsl(237, 71%, 26%)
HSV	hsv(237, 83%, 44%)
CMYK	cmyk(83.2%, 78.8%, 0%, 55.7%)
CIE-LAB	lab(15.40, 32.17, -50.99)
CIE-LCH	lch(15.40, 60.29, 302.25°)
OKLab	oklab(28.43% 0 -0.1477)
OKLCH	oklch(28.43% 0.148 270)
XYZ	xyz(3.5748, 1.9836, 15.8140)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131871 #716C13

analogous

#134771 #131871 #3D1371

triadic

#131871 #711318 #187113

tetradic

#131871 #711347 #716C13 #13713D

square

#131871 #711347 #716C13 #13713D

split-complementary

#131871 #713D13 #477113

monochromatic

#04061A #0A0D3D #131871 #1C23A5 #252EDA

Accessibility & contrast

On white

15.03

#131871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#131871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131871

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131871	#FFFFFF	#000000	##FFFFFF
##131871	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00226F

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #131871;
/* rgb */ color: rgb(19, 24, 113);
/* oklch */ color: oklch(28.4% 0.148 270.0);

Tailwind

colors: {
  custom: {
    50: '#64569b',
    500: '#131871',
    950: '#000000',
  },
}

SCSS

$custom: #131871;
$custom-light: #64569b;
$custom-dark: #000000;

JSON

{
  "hex": "#131871",
  "rgb": {
    "r": 19,
    "g": 24,
    "b": 113
  },
  "hsl": {
    "h": 236.809,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28426,
    "c": 0.1477,
    "h": 270
  },
  "luminance": 0.01984
}

Semantic roles & 50–950 ramp

primary

#131871

secondary

#A8A238

accent

#E43AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #131871

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

Preview Lab → · Contrast checker → · Palette generator →