#170B3E#170B3E

#170B3E is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.7% C 0.091 H 286.2°. Best body text is #FFFFFF at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#170B3E
RGB	rgb(23, 11, 62)
HSL	hsl(254, 70%, 14%)
HSV	hsv(254, 82%, 24%)
CMYK	cmyk(62.9%, 82.3%, 0%, 75.7%)
CIE-LAB	lab(6.95, 21.94, -30.26)
CIE-LCH	lch(6.95, 37.38, 305.95°)
OKLab	oklab(20.72% 0.0254 -0.0873)
OKLCH	oklch(20.72% 0.091 286.2)
XYZ	xyz(1.3423, 0.7692, 4.6342)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Night Blue

#040348

ΔE00 4.45

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B3E #323E0B

analogous

#0B193E #170B3E #310B3E

triadic

#170B3E #3E170B #0B3E17

tetradic

#170B3E #3E0B19 #323E0B #0B3E31

square

#170B3E #3E0B19 #323E0B #0B3E31

split-complementary

#170B3E #3E310B #193E0B

monochromatic

#0A051A #0A051A #170B3E #2A1472 #3E1DA6

Accessibility & contrast

On white

18.20

#170B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B3E

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B3E	#FFFFFF	#000000	##FFFFFF
##170B3E	1.00	18.20	1.15	18.20
#FFFFFF	18.20	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173F

Deuteranopia (green-blind)

#00143D

Tritanopia (blue-blind)

#061923

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170b3e;
/* rgb */ color: rgb(23, 11, 62);
/* oklch */ color: oklch(20.7% 0.091 286.2);

Tailwind

colors: {
  custom: {
    50: '#594b74',
    500: '#170b3e',
    950: '#000000',
  },
}

SCSS

$custom: #170b3e;
$custom-light: #594b74;
$custom-dark: #000000;

JSON

{
  "hex": "#170b3e",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 62
  },
  "hsl": {
    "h": 254.118,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20715,
    "c": 0.09092,
    "h": 286.2
  },
  "luminance": 0.00769
}

Semantic roles & 50–950 ramp

primary

#170B3E

secondary

#687B2A

accent

#ED3BC3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170B3E

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

Preview Lab → · Contrast checker → · Palette generator →