#170F6E#170F6E

#170F6E is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.151 H 273.4°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#170F6E
RGB	rgb(23, 15, 110)
HSL	hsl(245, 76%, 25%)
HSV	hsv(245, 86%, 43%)
CMYK	cmyk(79.1%, 86.4%, 0%, 56.9%)
CIE-LAB	lab(13.53, 36.46, -52.14)
CIE-LCH	lch(13.53, 63.62, 304.97°)
OKLab	oklab(27.07% 0.0088 -0.1508)
OKLCH	oklch(27.07% 0.151 273.4)
XYZ	xyz(3.3377, 1.6492, 14.8913)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F6E #666E0F

analogous

#0F366E #170F6E #470F6E

triadic

#170F6E #6E170F #0F6E17

tetradic

#170F6E #6E0F36 #666E0F #0F6E47

square

#170F6E #6E0F36 #666E0F #0F6E47

split-complementary

#170F6E #6E470F #366E0F

monochromatic

#06041B #0C0838 #170F6E #2216A4 #2E1EDA

Accessibility & contrast

On white

15.79

#170F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#170F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F6E

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F6E	#FFFFFF	#000000	##FFFFFF
##170F6E	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002771

Deuteranopia (green-blind)

#001E6C

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #170f6e;
/* rgb */ color: rgb(23, 15, 110);
/* oklch */ color: oklch(27.1% 0.151 273.4);

Tailwind

colors: {
  custom: {
    50: '#665199',
    500: '#170f6e',
    950: '#000000',
  },
}

SCSS

$custom: #170f6e;
$custom-light: #665199;
$custom-dark: #000000;

JSON

{
  "hex": "#170f6e",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 110
  },
  "hsl": {
    "h": 245.053,
    "s": 76,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27071,
    "c": 0.15106,
    "h": 273.4
  },
  "luminance": 0.0165
}

Semantic roles & 50–950 ramp

primary

#170F6E

secondary

#9CA633

accent

#F335E3

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #170F6E

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

Preview Lab → · Contrast checker → · Palette generator →