#170F6D#170F6D

#170F6D is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.9% C 0.150 H 273.5°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#170F6D
RGB	rgb(23, 15, 109)
HSL	hsl(245, 76%, 24%)
HSV	hsv(245, 86%, 43%)
CMYK	cmyk(78.9%, 86.2%, 0%, 57.3%)
CIE-LAB	lab(13.40, 36.13, -51.70)
CIE-LCH	lch(13.40, 63.07, 304.95°)
OKLab	oklab(26.94% 0.0091 -0.1495)
OKLCH	oklch(26.94% 0.15 273.5)
XYZ	xyz(3.2836, 1.6276, 14.6061)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F6D #656D0F

analogous

#0F366D #170F6D #460F6D

triadic

#170F6D #6D170F #0F6D17

tetradic

#170F6D #6D0F36 #656D0F #0F6D46

square

#170F6D #6D0F36 #656D0F #0F6D46

split-complementary

#170F6D #6D460F #366D0F

monochromatic

#06041B #0C0837 #170F6D #2216A3 #2E1ED9

Accessibility & contrast

On white

15.84

#170F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#170F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F6D

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F6D	#FFFFFF	#000000	##FFFFFF
##170F6D	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002770

Deuteranopia (green-blind)

#001E6B

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #170f6d;
/* rgb */ color: rgb(23, 15, 109);
/* oklch */ color: oklch(26.9% 0.150 273.5);

Tailwind

colors: {
  custom: {
    50: '#655198',
    500: '#170f6d',
    950: '#000000',
  },
}

SCSS

$custom: #170f6d;
$custom-light: #655198;
$custom-dark: #000000;

JSON

{
  "hex": "#170f6d",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 109
  },
  "hsl": {
    "h": 245.106,
    "s": 75.806,
    "l": 24.314
  },
  "oklch": {
    "l": 0.26944,
    "c": 0.14981,
    "h": 273.5
  },
  "luminance": 0.01628
}

Semantic roles & 50–950 ramp

primary

#170F6D

secondary

#9BA533

accent

#F235E2

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #170F6D

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

Preview Lab → · Contrast checker → · Palette generator →