#17105A#17105A

#17105A is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.124 H 276.5°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#17105A
RGB	rgb(23, 16, 90)
HSL	hsl(246, 70%, 21%)
HSV	hsv(246, 82%, 35%)
CMYK	cmyk(74.4%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(11.21, 29.07, -42.70)
CIE-LCH	lch(11.21, 51.65, 304.24°)
OKLab	oklab(24.73% 0.014 -0.1234)
OKLCH	oklch(24.73% 0.124 276.5)
XYZ	xyz(2.3835, 1.2907, 9.7944)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17105A #535A10

analogous

#102E5A #17105A #3C105A

triadic

#17105A #5A1710 #105A17

tetradic

#17105A #5A102E #535A10 #105A3C

square

#17105A #5A102E #535A10 #105A3C

split-complementary

#17105A #5A3C10 #2E5A10

monochromatic

#07051A #0A0726 #17105A #24198E #3222C2

Accessibility & contrast

On white

16.69

#17105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#17105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17105A

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17105A	#FFFFFF	#000000	##FFFFFF
##17105A	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215C

Deuteranopia (green-blind)

#001B59

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #17105a;
/* rgb */ color: rgb(23, 16, 90);
/* oklch */ color: oklch(24.7% 0.124 276.5);

Tailwind

colors: {
  custom: {
    50: '#60508a',
    500: '#17105a',
    950: '#000000',
  },
}

SCSS

$custom: #17105a;
$custom-light: #60508a;
$custom-dark: #000000;

JSON

{
  "hex": "#17105a",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 245.676,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24727,
    "c": 0.1242,
    "h": 276.5
  },
  "luminance": 0.01291
}

Semantic roles & 50–950 ramp

primary

#17105A

secondary

#8A9333

accent

#ED3BDC

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #17105A

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

Preview Lab → · Contrast checker → · Palette generator →