#17105E#17105E

#17105E is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.2% C 0.130 H 275.7°. Best body text is #FFFFFF at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#17105E
RGB	rgb(23, 16, 94)
HSL	hsl(245, 71%, 22%)
HSV	hsv(245, 83%, 37%)
CMYK	cmyk(75.5%, 83%, 0%, 63.1%)
CIE-LAB	lab(11.69, 30.48, -44.59)
CIE-LCH	lch(11.69, 54.01, 304.35°)
OKLab	oklab(25.21% 0.0129 -0.1289)
OKLCH	oklch(25.21% 0.13 275.7)
XYZ	xyz(2.5584, 1.3607, 10.7153)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17105E #575E10

analogous

#10305E #17105E #3E105E

triadic

#17105E #5E1710 #105E17

tetradic

#17105E #5E1030 #575E10 #105E3E

square

#17105E #5E1030 #575E10 #105E3E

split-complementary

#17105E #5E3E10 #305E10

monochromatic

#06041A #0A072A #17105E #241992 #3122C7

Accessibility & contrast

On white

16.51

#17105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#17105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17105E

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17105E	#FFFFFF	#000000	##FFFFFF
##17105E	1.00	16.51	1.27	16.51
#FFFFFF	16.51	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002260

Deuteranopia (green-blind)

#001B5D

Tritanopia (blue-blind)

#002737

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #17105e;
/* rgb */ color: rgb(23, 16, 94);
/* oklch */ color: oklch(25.2% 0.130 275.7);

Tailwind

colors: {
  custom: {
    50: '#61508d',
    500: '#17105e',
    950: '#000000',
  },
}

SCSS

$custom: #17105e;
$custom-light: #61508d;
$custom-dark: #000000;

JSON

{
  "hex": "#17105e",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 245.385,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25208,
    "c": 0.12957,
    "h": 275.7
  },
  "luminance": 0.01361
}

Semantic roles & 50–950 ramp

primary

#17105E

secondary

#8E9733

accent

#EE3ADE

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #17105E

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

Preview Lab → · Contrast checker → · Palette generator →