#170F3F#170F3F

#170F3F is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.5% C 0.087 H 284.0°. Best body text is #FFFFFF at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#170F3F
RGB	rgb(23, 15, 63)
HSL	hsl(250, 62%, 15%)
HSV	hsv(250, 76%, 25%)
CMYK	cmyk(63.5%, 76.2%, 0%, 75.3%)
CIE-LAB	lab(7.97, 19.85, -29.31)
CIE-LCH	lch(7.97, 35.39, 304.11°)
OKLab	oklab(21.52% 0.021 -0.0843)
OKLCH	oklch(21.52% 0.087 284)
XYZ	xyz(1.4211, 0.8826, 4.7971)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Navy Blue (survey)

#001146

ΔE00 4.28

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F3F #373F0F

analogous

#0F1F3F #170F3F #2F0F3F

triadic

#170F3F #3F170F #0F3F17

tetradic

#170F3F #3F0F1F #373F0F #0F3F2F

square

#170F3F #3F0F1F #373F0F #0F3F2F

split-complementary

#170F3F #3F2F0F #1F3F0F

monochromatic

#090619 #090619 #170F3F #291B70 #3B27A2

Accessibility & contrast

On white

17.85

#170F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#170F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F3F

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F3F	#FFFFFF	#000000	##FFFFFF
##170F3F	1.00	17.85	1.18	17.85
#FFFFFF	17.85	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001940

Deuteranopia (green-blind)

#00163E

Tritanopia (blue-blind)

#051B25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #170f3f;
/* rgb */ color: rgb(23, 15, 63);
/* oklch */ color: oklch(21.5% 0.087 284.0);

Tailwind

colors: {
  custom: {
    50: '#594e75',
    500: '#170f3f',
    950: '#000000',
  },
}

SCSS

$custom: #170f3f;
$custom-light: #594e75;
$custom-dark: #000000;

JSON

{
  "hex": "#170f3f",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 63
  },
  "hsl": {
    "h": 250,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21515,
    "c": 0.08683,
    "h": 284
  },
  "luminance": 0.00883
}

Semantic roles & 50–950 ramp

primary

#170F3F

secondary

#6D7930

accent

#E543CA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170F3F

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

Preview Lab → · Contrast checker → · Palette generator →