#13175A#13175A

#13175A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.117 H 272.0°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#13175A
RGB	rgb(19, 23, 90)
HSL	hsl(237, 65%, 21%)
HSV	hsv(237, 79%, 35%)
CMYK	cmyk(78.9%, 74.4%, 0%, 64.7%)
CIE-LAB	lab(12.54, 24.08, -40.52)
CIE-LCH	lch(12.54, 47.13, 300.72°)
OKLab	oklab(25.6% 0.0042 -0.1172)
OKLCH	oklch(25.6% 0.117 272)
XYZ	xyz(2.4198, 1.4892, 9.8308)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13175A #5A5613

analogous

#133B5A #13175A #33135A

triadic

#13175A #5A1317 #175A13

tetradic

#13175A #5A133B #5A5613 #135A33

square

#13175A #5A133B #5A5613 #135A33

split-complementary

#13175A #5A3313 #3B5A13

monochromatic

#050619 #080A27 #13175A #1E248D #2831BF

Accessibility & contrast

On white

16.18

#13175A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#13175A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13175A

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13175A	#FFFFFF	#000000	##FFFFFF
##13175A	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#001D59

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #13175a;
/* rgb */ color: rgb(19, 23, 90);
/* oklch */ color: oklch(25.6% 0.117 272.0);

Tailwind

colors: {
  custom: {
    50: '#5e5489',
    500: '#13175a',
    950: '#000000',
  },
}

SCSS

$custom: #13175a;
$custom-light: #5e5489;
$custom-dark: #000000;

JSON

{
  "hex": "#13175a",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 90
  },
  "hsl": {
    "h": 236.62,
    "s": 65.138,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25596,
    "c": 0.11728,
    "h": 272
  },
  "luminance": 0.01489
}

Semantic roles & 50–950 ramp

primary

#13175A

secondary

#928D37

accent

#DF40E8

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #13175A

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

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