#170F65#170F65

#170F65 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.140 H 274.7°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#170F65
RGB	rgb(23, 15, 101)
HSL	hsl(246, 74%, 23%)
HSV	hsv(246, 85%, 40%)
CMYK	cmyk(77.2%, 85.1%, 0%, 60.4%)
CIE-LAB	lab(12.37, 33.45, -48.13)
CIE-LCH	lch(12.37, 58.61, 304.80°)
OKLab	oklab(25.94% 0.0114 -0.1392)
OKLCH	oklch(25.94% 0.14 274.7)
XYZ	xyz(2.8724, 1.4631, 12.4404)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F65 #5D650F

analogous

#0F3265 #170F65 #420F65

triadic

#170F65 #65170F #0F6517

tetradic

#170F65 #650F32 #5D650F #0F6542

square

#170F65 #650F32 #5D650F #0F6542

split-complementary

#170F65 #65420F #32650F

monochromatic

#06041B #0B0730 #170F65 #23179A #2F1FD0

Accessibility & contrast

On white

16.25

#170F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#170F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F65

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F65	#FFFFFF	#000000	##FFFFFF
##170F65	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002467

Deuteranopia (green-blind)

#001C64

Tritanopia (blue-blind)

#002A3A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #170f65;
/* rgb */ color: rgb(23, 15, 101);
/* oklch */ color: oklch(25.9% 0.140 274.7);

Tailwind

colors: {
  custom: {
    50: '#635092',
    500: '#170f65',
    950: '#000000',
  },
}

SCSS

$custom: #170f65;
$custom-light: #635092;
$custom-dark: #000000;

JSON

{
  "hex": "#170f65",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 101
  },
  "hsl": {
    "h": 245.581,
    "s": 74.138,
    "l": 22.745
  },
  "oklch": {
    "l": 0.25936,
    "c": 0.13966,
    "h": 274.7
  },
  "luminance": 0.01463
}

Semantic roles & 50–950 ramp

primary

#170F65

secondary

#949E32

accent

#F137E0

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #170F65

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

Preview Lab → · Contrast checker → · Palette generator →