#13175E#13175E

#13175E is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.0% C 0.123 H 271.7°. Best body text is #FFFFFF at 16.01:1 contrast (WCAG AA passes).

Color values

HEX	#13175E
RGB	rgb(19, 23, 94)
HSL	hsl(237, 66%, 22%)
HSV	hsv(237, 80%, 37%)
CMYK	cmyk(79.8%, 75.5%, 0%, 63.1%)
CIE-LAB	lab(12.98, 25.64, -42.48)
CIE-LCH	lch(12.98, 49.62, 301.12°)
OKLab	oklab(26.05% 0.0036 -0.1229)
OKLCH	oklch(26.05% 0.123 271.7)
XYZ	xyz(2.5947, 1.5591, 10.7517)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13175E #5E5A13

analogous

#133D5E #13175E #35135E

triadic

#13175E #5E1317 #175E13

tetradic

#13175E #5E133D #5E5A13 #135E35

square

#13175E #5E133D #5E5A13 #135E35

split-complementary

#13175E #5E3513 #3D5E13

monochromatic

#050619 #090B2B #13175E #1D2391 #2830C4

Accessibility & contrast

On white

16.01

#13175E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#13175E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13175E

16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13175E	#FFFFFF	#000000	##FFFFFF
##13175E	1.00	16.01	1.31	16.01
#FFFFFF	16.01	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#001E5D

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #13175e;
/* rgb */ color: rgb(19, 23, 94);
/* oklch */ color: oklch(26.0% 0.123 271.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#13175e",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 94
  },
  "hsl": {
    "h": 236.8,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26046,
    "c": 0.12298,
    "h": 271.7
  },
  "luminance": 0.01559
}

Semantic roles & 50–950 ramp

primary

#13175E

secondary

#969137

accent

#E03FE9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #13175E

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

Preview Lab → · Contrast checker → · Palette generator →