#17158C#17158C

#17158C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.183 H 269.9°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#17158C
RGB	rgb(23, 21, 140)
HSL	hsl(241, 74%, 32%)
HSV	hsv(241, 85%, 55%)
CMYK	cmyk(83.6%, 85%, 0%, 45.1%)
CIE-LAB	lab(18.41, 43.32, -63.18)
CIE-LCH	lch(18.41, 76.61, 304.44°)
OKLab	oklab(31.57% -0.0003 -0.1829)
OKLCH	oklch(31.57% 0.183 269.9)
XYZ	xyz(5.3535, 2.6113, 25.0277)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17158C #8A8C15

analogous

#154F8C #17158C #53158C

triadic

#17158C #8C1715 #158C17

tetradic

#17158C #8C154F #8A8C15 #158C53

square

#17158C #8C154F #8A8C15 #158C53

split-complementary

#17158C #8C5315 #4F8C15

monochromatic

#060522 #0E0D57 #17158C #201DC1 #3D3AE1

Accessibility & contrast

On white

13.79

#17158C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#17158C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17158C

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17158C	#FFFFFF	#000000	##FFFFFF
##17158C	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338F

Deuteranopia (green-blind)

#00278A

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #17158c;
/* rgb */ color: rgb(23, 21, 140);
/* oklch */ color: oklch(31.6% 0.183 269.9);

Tailwind

colors: {
  custom: {
    50: '#6d56af',
    500: '#17158c',
    950: '#000000',
  },
}

SCSS

$custom: #17158c;
$custom-light: #6d56af;
$custom-dark: #000000;

JSON

{
  "hex": "#17158c",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 140
  },
  "hsl": {
    "h": 241.008,
    "s": 73.913,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31567,
    "c": 0.18288,
    "h": 269.9
  },
  "luminance": 0.02612
}

Semantic roles & 50–950 ramp

primary

#17158C

secondary

#BEC03D

accent

#F137ED

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #17158C

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

Preview Lab → · Contrast checker → · Palette generator →