#13175D#13175D

#13175D is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.122 H 271.8°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#13175D
RGB	rgb(19, 23, 93)
HSL	hsl(237, 66%, 22%)
HSV	hsv(237, 80%, 36%)
CMYK	cmyk(79.6%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(12.87, 25.25, -41.99)
CIE-LCH	lch(12.87, 49.00, 301.02°)
OKLab	oklab(25.93% 0.0038 -0.1215)
OKLCH	oklch(25.93% 0.122 271.8)
XYZ	xyz(2.5501, 1.5413, 10.5169)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13175D #5D5913

analogous

#133C5D #13175D #34135D

triadic

#13175D #5D1317 #175D13

tetradic

#13175D #5D133C #5D5913 #135D34

square

#13175D #5D133C #5D5913 #135D34

split-complementary

#13175D #5D3413 #3C5D13

monochromatic

#050619 #090A2A #13175D #1D2490 #2830C3

Accessibility & contrast

On white

16.05

#13175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#13175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13175D

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13175D	#FFFFFF	#000000	##FFFFFF
##13175D	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001E5C

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #13175d;
/* rgb */ color: rgb(19, 23, 93);
/* oklch */ color: oklch(25.9% 0.122 271.8);

Tailwind

colors: {
  custom: {
    50: '#5f548c',
    500: '#13175d',
    950: '#000000',
  },
}

SCSS

$custom: #13175d;
$custom-light: #5f548c;
$custom-dark: #000000;

JSON

{
  "hex": "#13175d",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 236.757,
    "s": 66.071,
    "l": 21.961
  },
  "oklch": {
    "l": 0.25933,
    "c": 0.12157,
    "h": 271.8
  },
  "luminance": 0.01542
}

Semantic roles & 50–950 ramp

primary

#13175D

secondary

#959037

accent

#E03FE9

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #13175D

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

Preview Lab → · Contrast checker → · Palette generator →