#171058#171058

#171058 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.5% C 0.121 H 276.9°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#171058
RGB	rgb(23, 16, 88)
HSL	hsl(246, 69%, 20%)
HSV	hsv(246, 82%, 35%)
CMYK	cmyk(73.9%, 81.8%, 0%, 65.5%)
CIE-LAB	lab(10.97, 28.35, -41.74)
CIE-LCH	lch(10.97, 50.46, 304.19°)
OKLab	oklab(24.49% 0.0145 -0.1206)
OKLCH	oklch(24.49% 0.121 276.9)
XYZ	xyz(2.2995, 1.2571, 9.3521)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171058 #515810

analogous

#102D58 #171058 #3B1058

triadic

#171058 #581710 #105817

tetradic

#171058 #58102D #515810 #10583B

square

#171058 #58102D #515810 #10583B

split-complementary

#171058 #583B10 #2D5810

monochromatic

#07051A #090724 #171058 #25198C #3223C0

Accessibility & contrast

On white

16.78

#171058 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171058 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171058

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171058	#FFFFFF	#000000	##FFFFFF
##171058	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205A

Deuteranopia (green-blind)

#001A57

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #171058;
/* rgb */ color: rgb(23, 16, 88);
/* oklch */ color: oklch(24.5% 0.121 276.9);

Tailwind

colors: {
  custom: {
    50: '#605088',
    500: '#171058',
    950: '#000000',
  },
}

SCSS

$custom: #171058;
$custom-light: #605088;
$custom-dark: #000000;

JSON

{
  "hex": "#171058",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 88
  },
  "hsl": {
    "h": 245.833,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24488,
    "c": 0.12149,
    "h": 276.9
  },
  "luminance": 0.01257
}

Semantic roles & 50–950 ramp

primary

#171058

secondary

#889132

accent

#EC3CDB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #171058

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

Preview Lab → · Contrast checker → · Palette generator →