#170F5F#170F5F

#170F5F is a dark, vivid blue. Relative luminance 0.013; OKLCH L 25.2% C 0.132 H 275.7°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#170F5F
RGB	rgb(23, 15, 95)
HSL	hsl(246, 73%, 22%)
HSV	hsv(246, 84%, 37%)
CMYK	cmyk(75.8%, 84.2%, 0%, 62.7%)
CIE-LAB	lab(11.62, 31.39, -45.38)
CIE-LCH	lch(11.62, 55.18, 304.67°)
OKLab	oklab(25.19% 0.0132 -0.1312)
OKLCH	oklch(25.19% 0.132 275.7)
XYZ	xyz(2.5891, 1.3498, 10.9483)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F5F #575F0F

analogous

#0F2F5F #170F5F #3F0F5F

triadic

#170F5F #5F170F #0F5F17

tetradic

#170F5F #5F0F2F #575F0F #0F5F3F

square

#170F5F #5F0F2F #575F0F #0F5F3F

split-complementary

#170F5F #5F3F0F #2F5F0F

monochromatic

#06041A #0A072A #170F5F #241794 #3120C9

Accessibility & contrast

On white

16.54

#170F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#170F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F5F

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F5F	#FFFFFF	#000000	##FFFFFF
##170F5F	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002261

Deuteranopia (green-blind)

#001B5E

Tritanopia (blue-blind)

#002737

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #170f5f;
/* rgb */ color: rgb(23, 15, 95);
/* oklch */ color: oklch(25.2% 0.132 275.7);

Tailwind

colors: {
  custom: {
    50: '#624f8d',
    500: '#170f5f',
    950: '#000000',
  },
}

SCSS

$custom: #170f5f;
$custom-light: #624f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#170f5f",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 95
  },
  "hsl": {
    "h": 246,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25193,
    "c": 0.13187,
    "h": 275.7
  },
  "luminance": 0.0135
}

Semantic roles & 50–950 ramp

primary

#170F5F

secondary

#8E9832

accent

#EF38DD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #170F5F

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

Preview Lab → · Contrast checker → · Palette generator →