#17108C#17108C

#17108C is a dark, vivid blue. Relative luminance 0.024; OKLCH L 31.1% C 0.186 H 270.2°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#17108C
RGB	rgb(23, 16, 140)
HSL	hsl(243, 79%, 31%)
HSV	hsv(243, 89%, 55%)
CMYK	cmyk(83.6%, 88.6%, 0%, 45.1%)
CIE-LAB	lab(17.67, 45.54, -64.42)
CIE-LCH	lch(17.67, 78.89, 305.26°)
OKLab	oklab(31.06% 0.0005 -0.1863)
OKLCH	oklch(31.06% 0.186 270.2)
XYZ	xyz(5.2707, 2.4456, 25.0001)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17108C #858C10

analogous

#10478C #17108C #55108C

triadic

#17108C #8C1710 #108C17

tetradic

#17108C #8C1047 #858C10 #108C55

square

#17108C #8C1047 #858C10 #108C55

split-complementary

#17108C #8C5510 #478C10

monochromatic

#05031E #0E0A55 #17108C #2016C3 #3A2FE7

Accessibility & contrast

On white

14.10

#17108C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#17108C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17108C

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17108C	#FFFFFF	#000000	##FFFFFF
##17108C	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00318F

Deuteranopia (green-blind)

#00258A

Tritanopia (blue-blind)

#003A51

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #17108c;
/* rgb */ color: rgb(23, 16, 140);
/* oklch */ color: oklch(31.1% 0.186 270.2);

Tailwind

colors: {
  custom: {
    50: '#6e54af',
    500: '#17108c',
    950: '#000000',
  },
}

SCSS

$custom: #17108c;
$custom-light: #6e54af;
$custom-dark: #000000;

JSON

{
  "hex": "#17108c",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 140
  },
  "hsl": {
    "h": 243.387,
    "s": 79.487,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31055,
    "c": 0.18634,
    "h": 270.2
  },
  "luminance": 0.02446
}

Semantic roles & 50–950 ramp

primary

#17108C

secondary

#B9C137

accent

#F632EB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #17108C

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

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