#131D71#131D71

#131D71 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.2% C 0.142 H 269.2°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#131D71
RGB	rgb(19, 29, 113)
HSL	hsl(234, 71%, 26%)
HSV	hsv(234, 83%, 44%)
CMYK	cmyk(83.2%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(16.55, 28.97, -49.10)
CIE-LCH	lch(16.55, 57.01, 300.55°)
OKLab	oklab(29.25% -0.0021 -0.1422)
OKLCH	oklch(29.25% 0.142 269.2)
XYZ	xyz(3.6875, 2.2090, 15.8516)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D71 #716713

analogous

#134C71 #131D71 #381371

triadic

#131D71 #71131D #1D7113

tetradic

#131D71 #71134C #716713 #137138

square

#131D71 #71134C #716713 #137138

split-complementary

#131D71 #713813 #4C7113

monochromatic

#04071A #0A103D #131D71 #1C2AA5 #2538DA

Accessibility & contrast

On white

14.57

#131D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#131D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D71

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D71	#FFFFFF	#000000	##FFFFFF
##131D71	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#00246F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #131d71;
/* rgb */ color: rgb(19, 29, 113);
/* oklch */ color: oklch(29.2% 0.142 269.2);

Tailwind

colors: {
  custom: {
    50: '#64599b',
    500: '#131d71',
    950: '#000000',
  },
}

SCSS

$custom: #131d71;
$custom-light: #64599b;
$custom-dark: #000000;

JSON

{
  "hex": "#131d71",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 233.617,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29246,
    "c": 0.14224,
    "h": 269.2
  },
  "luminance": 0.02209
}

Semantic roles & 50–950 ramp

primary

#131D71

secondary

#A89C38

accent

#DB3AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131D71

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

Preview Lab → · Contrast checker → · Palette generator →