#170F38#170F38

#170F38 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.8% C 0.076 H 286.8°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#170F38
RGB	rgb(23, 15, 56)
HSL	hsl(252, 58%, 14%)
HSV	hsv(252, 73%, 22%)
CMYK	cmyk(58.9%, 73.2%, 0%, 78%)
CIE-LAB	lab(7.31, 17.16, -25.35)
CIE-LCH	lch(7.31, 30.61, 304.10°)
OKLab	oklab(20.81% 0.0219 -0.0727)
OKLCH	oklch(20.81% 0.076 286.8)
XYZ	xyz(1.2378, 0.8093, 3.8316)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 4.70

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F38 #30380F

analogous

#0F1C38 #170F38 #2C0F38

triadic

#170F38 #38170F #0F3817

tetradic

#170F38 #380F1C #30380F #0F382C

square

#170F38 #380F1C #30380F #0F382C

split-complementary

#170F38 #382C0F #1C380F

monochromatic

#0A0618 #0A0618 #170F38 #2B1C68 #3F2999

Accessibility & contrast

On white

18.08

#170F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F38

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F38	#FFFFFF	#000000	##FFFFFF
##170F38	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001739

Deuteranopia (green-blind)

#001537

Tritanopia (blue-blind)

#0B1921

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170f38;
/* rgb */ color: rgb(23, 15, 56);
/* oklch */ color: oklch(20.8% 0.076 286.8);

Tailwind

colors: {
  custom: {
    50: '#584d6f',
    500: '#170f38',
    950: '#000000',
  },
}

SCSS

$custom: #170f38;
$custom-light: #584d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#170f38",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 56
  },
  "hsl": {
    "h": 251.707,
    "s": 57.746,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20807,
    "c": 0.07597,
    "h": 286.8
  },
  "luminance": 0.00809
}

Semantic roles & 50–950 ramp

primary

#170F38

secondary

#657230

accent

#E147C3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #170F38

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

Preview Lab → · Contrast checker → · Palette generator →