#171259#171259

#171259 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.9% C 0.121 H 276.2°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#171259
RGB	rgb(23, 18, 89)
HSL	hsl(244, 66%, 21%)
HSV	hsv(244, 80%, 35%)
CMYK	cmyk(74.2%, 79.8%, 0%, 65.1%)
CIE-LAB	lab(11.52, 27.48, -41.51)
CIE-LCH	lch(11.52, 49.78, 303.51°)
OKLab	oklab(24.91% 0.013 -0.12)
OKLCH	oklch(24.91% 0.121 276.2)
XYZ	xyz(2.3722, 1.3358, 9.5821)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171259 #545912

analogous

#123059 #171259 #3A1259

triadic

#171259 #591712 #125917

tetradic

#171259 #591230 #545912 #12593A

square

#171259 #591230 #545912 #12593A

split-complementary

#171259 #593A12 #305912

monochromatic

#070519 #0A0826 #171259 #241C8C #3127BF

Accessibility & contrast

On white

16.57

#171259 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#171259 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171259

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171259	#FFFFFF	#000000	##FFFFFF
##171259	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225B

Deuteranopia (green-blind)

#001B58

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171259;
/* rgb */ color: rgb(23, 18, 89);
/* oklch */ color: oklch(24.9% 0.121 276.2);

Tailwind

colors: {
  custom: {
    50: '#605189',
    500: '#171259',
    950: '#000000',
  },
}

SCSS

$custom: #171259;
$custom-light: #605189;
$custom-dark: #000000;

JSON

{
  "hex": "#171259",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 89
  },
  "hsl": {
    "h": 244.225,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24913,
    "c": 0.12067,
    "h": 276.2
  },
  "luminance": 0.01336
}

Semantic roles & 50–950 ramp

primary

#171259

secondary

#8B9235

accent

#E93FDD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #171259

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

Preview Lab → · Contrast checker → · Palette generator →