#171059#171059

#171059 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.6% C 0.123 H 276.7°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#171059
RGB	rgb(23, 16, 89)
HSL	hsl(246, 70%, 21%)
HSV	hsv(246, 82%, 35%)
CMYK	cmyk(74.2%, 82%, 0%, 65.1%)
CIE-LAB	lab(11.09, 28.71, -42.22)
CIE-LCH	lch(11.09, 51.06, 304.21°)
OKLab	oklab(24.61% 0.0143 -0.122)
OKLCH	oklch(24.61% 0.123 276.7)
XYZ	xyz(2.3412, 1.2738, 9.5717)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171059 #525910

analogous

#102D59 #171059 #3B1059

triadic

#171059 #591710 #105917

tetradic

#171059 #59102D #525910 #10593B

square

#171059 #59102D #525910 #10593B

split-complementary

#171059 #593B10 #2D5910

monochromatic

#07051A #0A0725 #171059 #24198D #3223C1

Accessibility & contrast

On white

16.74

#171059 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171059 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171059

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171059	#FFFFFF	#000000	##FFFFFF
##171059	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215B

Deuteranopia (green-blind)

#001A58

Tritanopia (blue-blind)

#002534

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171059;
/* rgb */ color: rgb(23, 16, 89);
/* oklch */ color: oklch(24.6% 0.123 276.7);

Tailwind

colors: {
  custom: {
    50: '#605089',
    500: '#171059',
    950: '#000000',
  },
}

SCSS

$custom: #171059;
$custom-light: #605089;
$custom-dark: #000000;

JSON

{
  "hex": "#171059",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 89
  },
  "hsl": {
    "h": 245.753,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24607,
    "c": 0.12285,
    "h": 276.7
  },
  "luminance": 0.01274
}

Semantic roles & 50–950 ramp

primary

#171059

secondary

#899233

accent

#EC3BDB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #171059

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

Preview Lab → · Contrast checker → · Palette generator →