#170A31#170A31

#170A31 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.073 H 293.6°. Best body text is #FFFFFF at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#170A31
RGB	rgb(23, 10, 49)
HSL	hsl(260, 66%, 12%)
HSV	hsv(260, 80%, 19%)
CMYK	cmyk(53.1%, 79.6%, 0%, 80.8%)
CIE-LAB	lab(5.61, 17.00, -22.96)
CIE-LCH	lch(5.61, 28.57, 306.52°)
OKLab	oklab(19.17% 0.0293 -0.0671)
OKLCH	oklch(19.17% 0.073 293.6)
XYZ	xyz(1.0161, 0.6210, 2.9715)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.01

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A31 #24310A

analogous

#0A1131 #170A31 #2B0A31

triadic

#170A31 #31170A #0A3117

tetradic

#170A31 #310A11 #24310A #0A312B

square

#170A31 #310A11 #24310A #0A312B

split-complementary

#170A31 #312B0A #11310A

monochromatic

#0C0519 #0C0519 #170A31 #2F1464 #471F97

Accessibility & contrast

On white

18.68

#170A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#170A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A31

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A31	#FFFFFF	#000000	##FFFFFF
##170A31	1.00	18.68	1.12	18.68
#FFFFFF	18.68	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001332

Deuteranopia (green-blind)

#001230

Tritanopia (blue-blind)

#10131C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #170a31;
/* rgb */ color: rgb(23, 10, 49);
/* oklch */ color: oklch(19.2% 0.073 293.6);

Tailwind

colors: {
  custom: {
    50: '#564a69',
    500: '#170a31',
    950: '#000000',
  },
}

SCSS

$custom: #170a31;
$custom-light: #564a69;
$custom-dark: #000000;

JSON

{
  "hex": "#170a31",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 49
  },
  "hsl": {
    "h": 260,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19174,
    "c": 0.0732,
    "h": 293.6
  },
  "luminance": 0.00621
}

Semantic roles & 50–950 ramp

primary

#170A31

secondary

#576E29

accent

#E93FB0

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170A31

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

Preview Lab → · Contrast checker → · Palette generator →