#170231#170231

#170231 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.6% C 0.088 H 298.0°. Best body text is #FFFFFF at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#170231
RGB	rgb(23, 2, 49)
HSL	hsl(267, 92%, 10%)
HSV	hsv(267, 96%, 19%)
CMYK	cmyk(53.1%, 95.9%, 0%, 80.8%)
CIE-LAB	lab(4.04, 20.53, -25.47)
CIE-LCH	lch(4.04, 32.71, 308.88°)
OKLab	oklab(17.62% 0.0413 -0.0776)
OKLCH	oklch(17.62% 0.088 298)
XYZ	xyz(0.9293, 0.4473, 2.9425)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 5.14

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170231 #1C3102

analogous

#020431 #170231 #2F0231

triadic

#170231 #311702 #023117

tetradic

#170231 #310204 #1C3102 #02312F

square

#170231 #310204 #1C3102 #02312F

split-complementary

#170231 #312F02 #043102

monochromatic

#0E011D #0E011D #170231 #33046C #4E07A7

Accessibility & contrast

On white

19.28

#170231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#170231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170231

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170231	#FFFFFF	#000000	##FFFFFF
##170231	1.00	19.28	1.09	19.28
#FFFFFF	19.28	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E32

Deuteranopia (green-blind)

#000E30

Tritanopia (blue-blind)

#100E19

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #170231;
/* rgb */ color: rgb(23, 2, 49);
/* oklch */ color: oklch(17.6% 0.088 298.0);

Tailwind

colors: {
  custom: {
    50: '#564769',
    500: '#170231',
    950: '#000000',
  },
}

SCSS

$custom: #170231;
$custom-light: #564769;
$custom-dark: #000000;

JSON

{
  "hex": "#170231",
  "rgb": {
    "r": 23,
    "g": 2,
    "b": 49
  },
  "hsl": {
    "h": 266.809,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.17622,
    "c": 0.08787,
    "h": 298
  },
  "luminance": 0.00447
}

Semantic roles & 50–950 ramp

primary

#170231

secondary

#4C7519

accent

#FF299F

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#030006

muted

#78777A

Preview Lab

Preview with #170231

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

Preview Lab → · Contrast checker → · Palette generator →