#170638#170638

#170638 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.090 H 291.3°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#170638
RGB	rgb(23, 6, 56)
HSL	hsl(260, 81%, 12%)
HSV	hsv(260, 89%, 22%)
CMYK	cmyk(58.9%, 89.3%, 0%, 78%)
CIE-LAB	lab(5.40, 21.94, -28.44)
CIE-LCH	lch(5.40, 35.92, 307.65°)
OKLab	oklab(19.21% 0.0326 -0.0834)
OKLCH	oklch(19.21% 0.09 291.3)
XYZ	xyz(1.1321, 0.5979, 3.7964)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170638 #273806

analogous

#060E38 #170638 #300638

triadic

#170638 #381706 #063817

tetradic

#170638 #38060E #273806 #063830

square

#170638 #38060E #273806 #063830

split-complementary

#170638 #383006 #0E3806

monochromatic

#0B031C #0B031C #170638 #2E0C6F #4412A7

Accessibility & contrast

On white

18.76

#170638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170638

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170638	#FFFFFF	#000000	##FFFFFF
##170638	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001339

Deuteranopia (green-blind)

#001137

Tritanopia (blue-blind)

#0C141E

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170638;
/* rgb */ color: rgb(23, 6, 56);
/* oklch */ color: oklch(19.2% 0.090 291.3);

Tailwind

colors: {
  custom: {
    50: '#58486f',
    500: '#170638',
    950: '#000000',
  },
}

SCSS

$custom: #170638;
$custom-light: #58486f;
$custom-dark: #000000;

JSON

{
  "hex": "#170638",
  "rgb": {
    "r": 23,
    "g": 6,
    "b": 56
  },
  "hsl": {
    "h": 260.4,
    "s": 80.645,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19212,
    "c": 0.08956,
    "h": 291.3
  },
  "luminance": 0.00598
}

Semantic roles & 50–950 ramp

primary

#170638

secondary

#5B7821

accent

#F731B4

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #170638

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

Preview Lab → · Contrast checker → · Palette generator →