#170B30#170B30

#170B30 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.3% C 0.070 H 293.7°. Best body text is #FFFFFF at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#170B30
RGB	rgb(23, 11, 48)
HSL	hsl(259, 63%, 12%)
HSV	hsv(259, 77%, 19%)
CMYK	cmyk(52.1%, 77.1%, 0%, 81.2%)
CIE-LAB	lab(5.74, 16.11, -22.01)
CIE-LCH	lch(5.74, 27.28, 306.20°)
OKLab	oklab(19.26% 0.0281 -0.0641)
OKLCH	oklch(19.26% 0.07 293.7)
XYZ	xyz(1.0064, 0.6349, 2.8653)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.00

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B30 #24300B

analogous

#0B1230 #170B30 #2A0B30

triadic

#170B30 #30170B #0B3017

tetradic

#170B30 #300B12 #24300B #0B302A

square

#170B30 #300B12 #24300B #0B302A

split-complementary

#170B30 #302A0B #12300B

monochromatic

#0C0619 #0C0619 #170B30 #2F1662 #472294

Accessibility & contrast

On white

18.63

#170B30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170B30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B30

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B30	#FFFFFF	#000000	##FFFFFF
##170B30	1.00	18.63	1.13	18.63
#FFFFFF	18.63	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001331

Deuteranopia (green-blind)

#00122F

Tritanopia (blue-blind)

#10141C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170b30;
/* rgb */ color: rgb(23, 11, 48);
/* oklch */ color: oklch(19.3% 0.070 293.7);

Tailwind

colors: {
  custom: {
    50: '#564b68',
    500: '#170b30',
    950: '#000000',
  },
}

SCSS

$custom: #170b30;
$custom-light: #564b68;
$custom-dark: #000000;

JSON

{
  "hex": "#170b30",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 48
  },
  "hsl": {
    "h": 259.459,
    "s": 62.712,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19258,
    "c": 0.07003,
    "h": 293.7
  },
  "luminance": 0.00635
}

Semantic roles & 50–950 ramp

primary

#170B30

secondary

#576D2A

accent

#E642B1

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170B30

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

Preview Lab → · Contrast checker → · Palette generator →