#131771#131771

#131771 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.149 H 270.2°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#131771
RGB	rgb(19, 23, 113)
HSL	hsl(237, 71%, 26%)
HSV	hsv(237, 83%, 44%)
CMYK	cmyk(83.2%, 79.6%, 0%, 55.7%)
CIE-LAB	lab(15.19, 32.79, -51.35)
CIE-LCH	lch(15.19, 60.92, 302.56°)
OKLab	oklab(28.27% 0.0004 -0.1487)
OKLCH	oklch(28.27% 0.149 270.2)
XYZ	xyz(3.5546, 1.9431, 15.8073)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131771 #716D13

analogous

#134671 #131771 #3E1371

triadic

#131771 #711317 #177113

tetradic

#131771 #711346 #716D13 #13713E

square

#131771 #711346 #716D13 #13713E

split-complementary

#131771 #713E13 #467113

monochromatic

#04051A #0A0C3D #131771 #1C22A5 #252CDA

Accessibility & contrast

On white

15.12

#131771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#131771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131771

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131771	#FFFFFF	#000000	##FFFFFF
##131771	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00216F

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131771;
/* rgb */ color: rgb(19, 23, 113);
/* oklch */ color: oklch(28.3% 0.149 270.2);

Tailwind

colors: {
  custom: {
    50: '#64559b',
    500: '#131771',
    950: '#000000',
  },
}

SCSS

$custom: #131771;
$custom-light: #64559b;
$custom-dark: #000000;

JSON

{
  "hex": "#131771",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 113
  },
  "hsl": {
    "h": 237.447,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28274,
    "c": 0.14872,
    "h": 270.2
  },
  "luminance": 0.01943
}

Semantic roles & 50–950 ramp

primary

#131771

secondary

#A8A338

accent

#E63AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #131771

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

Preview Lab → · Contrast checker → · Palette generator →