#17105C#17105C

#17105C is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.127 H 276.1°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#17105C
RGB	rgb(23, 16, 92)
HSL	hsl(246, 70%, 21%)
HSV	hsv(246, 83%, 36%)
CMYK	cmyk(75%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(11.45, 29.77, -43.65)
CIE-LCH	lch(11.45, 52.84, 304.30°)
OKLab	oklab(24.97% 0.0135 -0.1262)
OKLCH	oklch(24.97% 0.127 276.1)
XYZ	xyz(2.4698, 1.3252, 10.2488)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17105C #555C10

analogous

#102F5C #17105C #3D105C

triadic

#17105C #5C1710 #105C17

tetradic

#17105C #5C102F #555C10 #105C3D

square

#17105C #5C102F #555C10 #105C3D

split-complementary

#17105C #5C3D10 #2F5C10

monochromatic

#07051A #0A0728 #17105C #241990 #3122C4

Accessibility & contrast

On white

16.60

#17105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#17105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17105C

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17105C	#FFFFFF	#000000	##FFFFFF
##17105C	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225E

Deuteranopia (green-blind)

#001B5B

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #17105c;
/* rgb */ color: rgb(23, 16, 92);
/* oklch */ color: oklch(25.0% 0.127 276.1);

Tailwind

colors: {
  custom: {
    50: '#61508b',
    500: '#17105c',
    950: '#000000',
  },
}

SCSS

$custom: #17105c;
$custom-light: #61508b;
$custom-dark: #000000;

JSON

{
  "hex": "#17105c",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 245.526,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24967,
    "c": 0.1269,
    "h": 276.1
  },
  "luminance": 0.01325
}

Semantic roles & 50–950 ramp

primary

#17105C

secondary

#8C9533

accent

#ED3BDD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #17105C

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

Preview Lab → · Contrast checker → · Palette generator →