#171158#171158

#171158 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.6% C 0.120 H 276.6°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#171158
RGB	rgb(23, 17, 88)
HSL	hsl(245, 68%, 21%)
HSV	hsv(245, 81%, 35%)
CMYK	cmyk(73.9%, 80.7%, 0%, 65.5%)
CIE-LAB	lab(11.19, 27.74, -41.38)
CIE-LCH	lch(11.19, 49.82, 303.84°)
OKLab	oklab(24.64% 0.0139 -0.1196)
OKLCH	oklch(24.64% 0.12 276.6)
XYZ	xyz(2.3147, 1.2874, 9.3571)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171158 #525811

analogous

#112E58 #171158 #3A1158

triadic

#171158 #581711 #115817

tetradic

#171158 #58112E #525811 #11583A

square

#171158 #58112E #525811 #11583A

split-complementary

#171158 #583A11 #2E5811

monochromatic

#07051A #0A0725 #171158 #241B8B #3225BF

Accessibility & contrast

On white

16.70

#171158 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#171158 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171158

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171158	#FFFFFF	#000000	##FFFFFF
##171158	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215A

Deuteranopia (green-blind)

#001B57

Tritanopia (blue-blind)

#002633

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171158;
/* rgb */ color: rgb(23, 17, 88);
/* oklch */ color: oklch(24.6% 0.120 276.6);

Tailwind

colors: {
  custom: {
    50: '#5f5088',
    500: '#171158',
    950: '#000000',
  },
}

SCSS

$custom: #171158;
$custom-light: #5f5088;
$custom-dark: #000000;

JSON

{
  "hex": "#171158",
  "rgb": {
    "r": 23,
    "g": 17,
    "b": 88
  },
  "hsl": {
    "h": 245.07,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.2464,
    "c": 0.1204,
    "h": 276.6
  },
  "luminance": 0.01288
}

Semantic roles & 50–950 ramp

primary

#171158

secondary

#899134

accent

#EA3DDC

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #171158

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

Preview Lab → · Contrast checker → · Palette generator →