#131173#131173

#131173 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.157 H 270.6°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#131173
RGB	rgb(19, 17, 115)
HSL	hsl(241, 74%, 26%)
HSV	hsv(241, 85%, 45%)
CMYK	cmyk(83.5%, 85.2%, 0%, 54.9%)
CIE-LAB	lab(14.27, 36.86, -54.16)
CIE-LCH	lch(14.27, 65.52, 304.24°)
OKLab	oklab(27.7% 0.0018 -0.1568)
OKLCH	oklch(27.7% 0.157 270.6)
XYZ	xyz(3.5625, 1.7767, 16.3715)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131173 #717311

analogous

#114073 #131173 #441173

triadic

#131173 #731311 #117313

tetradic

#131173 #731140 #717311 #117344

square

#131173 #731140 #717311 #117344

split-complementary

#131173 #734411 #407311

monochromatic

#04041B #0A093E #131173 #1C19A8 #2521DE

Accessibility & contrast

On white

15.49

#131173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131173

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131173	#FFFFFF	#000000	##FFFFFF
##131173	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002976

Deuteranopia (green-blind)

#001F71

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131173;
/* rgb */ color: rgb(19, 17, 115);
/* oklch */ color: oklch(27.7% 0.157 270.6);

Tailwind

colors: {
  custom: {
    50: '#66529d',
    500: '#131173',
    950: '#000000',
  },
}

SCSS

$custom: #131173;
$custom-light: #66529d;
$custom-dark: #000000;

JSON

{
  "hex": "#131173",
  "rgb": {
    "r": 19,
    "g": 17,
    "b": 115
  },
  "hsl": {
    "h": 241.224,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.27704,
    "c": 0.15679,
    "h": 270.6
  },
  "luminance": 0.01777
}

Semantic roles & 50–950 ramp

primary

#131173

secondary

#A8AA36

accent

#F137ED

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #131173

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

Preview Lab → · Contrast checker → · Palette generator →