#170A37#170A37

#170A37 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.8% C 0.082 H 290.0°. Best body text is #FFFFFF at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#170A37
RGB	rgb(23, 10, 55)
HSL	hsl(257, 69%, 13%)
HSV	hsv(257, 82%, 22%)
CMYK	cmyk(58.2%, 81.8%, 0%, 78.4%)
CIE-LAB	lab(6.10, 19.58, -26.58)
CIE-LCH	lch(6.10, 33.02, 306.38°)
OKLab	oklab(19.79% 0.0282 -0.0771)
OKLCH	oklch(19.79% 0.082 290)
XYZ	xyz(1.1513, 0.6750, 3.6833)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A37 #2A370A

analogous

#0A1437 #170A37 #2D0A37

triadic

#170A37 #37170A #0A3717

tetradic

#170A37 #370A14 #2A370A #0A372D

square

#170A37 #370A14 #2A370A #0A372D

split-complementary

#170A37 #372D0A #14370A

monochromatic

#0B051A #0B051A #170A37 #2D136B #421D9F

Accessibility & contrast

On white

18.50

#170A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#170A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A37

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A37	#FFFFFF	#000000	##FFFFFF
##170A37	1.00	18.50	1.14	18.50
#FFFFFF	18.50	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001236

Tritanopia (blue-blind)

#0C161F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170a37;
/* rgb */ color: rgb(23, 10, 55);
/* oklch */ color: oklch(19.8% 0.082 290.0);

Tailwind

colors: {
  custom: {
    50: '#584a6e',
    500: '#170a37',
    950: '#000000',
  },
}

SCSS

$custom: #170a37;
$custom-light: #584a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#170a37",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 55
  },
  "hsl": {
    "h": 257.333,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19792,
    "c": 0.08212,
    "h": 290
  },
  "luminance": 0.00675
}

Semantic roles & 50–950 ramp

primary

#170A37

secondary

#5E7428

accent

#EC3CB9

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170A37

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

Preview Lab → · Contrast checker → · Palette generator →