#13175C#13175C

#13175C is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.8% C 0.120 H 271.9°. Best body text is #FFFFFF at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#13175C
RGB	rgb(19, 23, 92)
HSL	hsl(237, 66%, 22%)
HSV	hsv(237, 79%, 36%)
CMYK	cmyk(79.3%, 75%, 0%, 63.9%)
CIE-LAB	lab(12.76, 24.86, -41.50)
CIE-LCH	lch(12.76, 48.38, 300.92°)
OKLab	oklab(25.82% 0.0039 -0.1201)
OKLCH	oklch(25.82% 0.12 271.9)
XYZ	xyz(2.5061, 1.5237, 10.2852)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13175C #5C5813

analogous

#133C5C #13175C #34135C

triadic

#13175C #5C1317 #175C13

tetradic

#13175C #5C133C #5C5813 #135C34

square

#13175C #5C133C #5C5813 #135C34

split-complementary

#13175C #5C3413 #3C5C13

monochromatic

#050619 #090A29 #13175C #1D248F #2830C1

Accessibility & contrast

On white

16.09

#13175C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#13175C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13175C

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13175C	#FFFFFF	#000000	##FFFFFF
##13175C	1.00	16.09	1.30	16.09
#FFFFFF	16.09	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255E

Deuteranopia (green-blind)

#001E5B

Tritanopia (blue-blind)

#002A37

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #13175c;
/* rgb */ color: rgb(19, 23, 92);
/* oklch */ color: oklch(25.8% 0.120 271.9);

Tailwind

colors: {
  custom: {
    50: '#5e548b',
    500: '#13175c',
    950: '#000000',
  },
}

SCSS

$custom: #13175c;
$custom-light: #5e548b;
$custom-dark: #000000;

JSON

{
  "hex": "#13175c",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 92
  },
  "hsl": {
    "h": 236.712,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.2582,
    "c": 0.12014,
    "h": 271.9
  },
  "luminance": 0.01524
}

Semantic roles & 50–950 ramp

primary

#13175C

secondary

#948F37

accent

#DF3FE9

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #13175C

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

Preview Lab → · Contrast checker → · Palette generator →