#17108D#17108D

#17108D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.2% C 0.188 H 270.1°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#17108D
RGB	rgb(23, 16, 141)
HSL	hsl(243, 80%, 31%)
HSV	hsv(243, 89%, 55%)
CMYK	cmyk(83.7%, 88.7%, 0%, 44.7%)
CIE-LAB	lab(17.81, 45.84, -64.82)
CIE-LCH	lch(17.81, 79.39, 305.27°)
OKLab	oklab(31.19% 0.0003 -0.1875)
OKLCH	oklch(31.19% 0.188 270.1)
XYZ	xyz(5.3447, 2.4752, 25.3902)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17108D #868D10

analogous

#10478D #17108D #55108D

triadic

#17108D #8D1710 #108D17

tetradic

#17108D #8D1047 #868D10 #108D55

square

#17108D #8D1047 #868D10 #108D55

split-complementary

#17108D #8D5510 #478D10

monochromatic

#05041F #0E0A56 #17108D #2016C4 #3A30E7

Accessibility & contrast

On white

14.04

#17108D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#17108D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17108D

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17108D	#FFFFFF	#000000	##FFFFFF
##17108D	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003290

Deuteranopia (green-blind)

#00258B

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #17108d;
/* rgb */ color: rgb(23, 16, 141);
/* oklch */ color: oklch(31.2% 0.188 270.1);

Tailwind

colors: {
  custom: {
    50: '#6e54b0',
    500: '#17108d',
    950: '#000000',
  },
}

SCSS

$custom: #17108d;
$custom-light: #6e54b0;
$custom-dark: #000000;

JSON

{
  "hex": "#17108d",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 141
  },
  "hsl": {
    "h": 243.36,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31185,
    "c": 0.1875,
    "h": 270.1
  },
  "luminance": 0.02476
}

Semantic roles & 50–950 ramp

primary

#17108D

secondary

#BAC237

accent

#F632EB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #17108D

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

Preview Lab → · Contrast checker → · Palette generator →