#170F5E#170F5E

#170F5E is a dark, vivid blue. Relative luminance 0.013; OKLCH L 25.1% C 0.131 H 275.9°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#170F5E
RGB	rgb(23, 15, 94)
HSL	hsl(246, 72%, 21%)
HSV	hsv(246, 84%, 37%)
CMYK	cmyk(75.5%, 84%, 0%, 63.1%)
CIE-LAB	lab(11.50, 31.05, -44.92)
CIE-LCH	lch(11.50, 54.60, 304.65°)
OKLab	oklab(25.07% 0.0134 -0.1298)
OKLCH	oklch(25.07% 0.131 275.9)
XYZ	xyz(2.5439, 1.3317, 10.7105)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F5E #565E0F

analogous

#0F2F5E #170F5E #3F0F5E

triadic

#170F5E #5E170F #0F5E17

tetradic

#170F5E #5E0F2F #565E0F #0F5E3F

square

#170F5E #5E0F2F #565E0F #0F5E3F

split-complementary

#170F5E #5E3F0F #2F5E0F

monochromatic

#06041A #0A0729 #170F5E #241793 #3120C8

Accessibility & contrast

On white

16.58

#170F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#170F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F5E

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F5E	#FFFFFF	#000000	##FFFFFF
##170F5E	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002260

Deuteranopia (green-blind)

#001B5D

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #170f5e;
/* rgb */ color: rgb(23, 15, 94);
/* oklch */ color: oklch(25.1% 0.131 275.9);

Tailwind

colors: {
  custom: {
    50: '#614f8d',
    500: '#170f5e',
    950: '#000000',
  },
}

SCSS

$custom: #170f5e;
$custom-light: #614f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#170f5e",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 94
  },
  "hsl": {
    "h": 246.076,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.2507,
    "c": 0.13054,
    "h": 275.9
  },
  "luminance": 0.01332
}

Semantic roles & 50–950 ramp

primary

#170F5E

secondary

#8D9731

accent

#EF39DD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #170F5E

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

Preview Lab → · Contrast checker → · Palette generator →