#13175F#13175F

#13175F is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.2% C 0.124 H 271.6°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#13175F
RGB	rgb(19, 23, 95)
HSL	hsl(237, 67%, 22%)
HSV	hsv(237, 80%, 37%)
CMYK	cmyk(80%, 75.8%, 0%, 62.7%)
CIE-LAB	lab(13.09, 26.03, -42.96)
CIE-LCH	lch(13.09, 50.23, 301.21°)
OKLab	oklab(26.16% 0.0035 -0.1243)
OKLCH	oklch(26.16% 0.124 271.6)
XYZ	xyz(2.6398, 1.5772, 10.9896)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13175F #5F5B13

analogous

#133D5F #13175F #35135F

triadic

#13175F #5F1317 #175F13

tetradic

#13175F #5F133D #5F5B13 #135F35

square

#13175F #5F133D #5F5B13 #135F35

split-complementary

#13175F #5F3513 #3D5F13

monochromatic

#05061A #090B2C #13175F #1D2392 #2730C5

Accessibility & contrast

On white

15.96

#13175F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#13175F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13175F

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13175F	#FFFFFF	#000000	##FFFFFF
##13175F	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002561

Deuteranopia (green-blind)

#001E5E

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #13175f;
/* rgb */ color: rgb(19, 23, 95);
/* oklch */ color: oklch(26.2% 0.124 271.6);

Tailwind

colors: {
  custom: {
    50: '#5f548d',
    500: '#13175f',
    950: '#000000',
  },
}

SCSS

$custom: #13175f;
$custom-light: #5f548d;
$custom-dark: #000000;

JSON

{
  "hex": "#13175f",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 95
  },
  "hsl": {
    "h": 236.842,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.2616,
    "c": 0.12439,
    "h": 271.6
  },
  "luminance": 0.01577
}

Semantic roles & 50–950 ramp

primary

#13175F

secondary

#979237

accent

#E13EEA

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #13175F

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

Preview Lab → · Contrast checker → · Palette generator →