#170504#170504

#170504 is a very dark, muted red. Relative luminance 0.003; OKLCH L 14.8% C 0.035 H 27.0°. Best body text is #FFFFFF at 19.82:1 contrast (WCAG AA passes).

Color values

HEX	#170504
RGB	rgb(23, 5, 4)
HSL	hsl(3, 70%, 5%)
HSV	hsv(3, 83%, 9%)
CMYK	cmyk(0%, 78.3%, 82.6%, 91%)
CIE-LAB	lab(2.71, 5.94, 2.52)
CIE-LCH	lch(2.71, 6.45, 22.99°)
OKLab	oklab(14.82% 0.0312 0.0159)
OKLCH	oklch(14.82% 0.035 27)
XYZ	xyz(0.4296, 0.2995, 0.1500)
Luminance	0.0030 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170504 #041617

analogous

#17040C #170504 #170E04

triadic

#170504 #041705 #050417

tetradic

#170504 #0C1704 #041617 #0E0417

square

#170504 #0C1704 #041617 #0E0417

split-complementary

#170504 #04170E #040C17

monochromatic

#1A0605 #1A0605 #1A0605 #4B100D #7F1C16

Accessibility & contrast

On white

19.82

#170504 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#170504 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170504

19.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170504	#FFFFFF	#000000	##FFFFFF
##170504	1.00	19.82	1.06	19.82
#FFFFFF	19.82	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090804

Deuteranopia (green-blind)

#0D0B04

Tritanopia (blue-blind)

#1A0305

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #170504;
/* rgb */ color: rgb(23, 5, 4);
/* oklch */ color: oklch(14.8% 0.035 27.0);

Tailwind

colors: {
  custom: {
    50: '#534948',
    500: '#170504',
    950: '#000000',
  },
}

SCSS

$custom: #170504;
$custom-light: #534948;
$custom-dark: #000000;

JSON

{
  "hex": "#170504",
  "rgb": {
    "r": 23,
    "g": 5,
    "b": 4
  },
  "hsl": {
    "h": 3.158,
    "s": 70.37,
    "l": 5.294
  },
  "oklch": {
    "l": 0.14819,
    "c": 0.03498,
    "h": 27
  },
  "luminance": 0.00299
}

Semantic roles & 50–950 ramp

primary

#170504

secondary

#1E5659

accent

#E4ED3B

background

#F4F4F4

surface

#E7E6E6

border

#C3C2C2

text

#020000

muted

#787777

Preview Lab

Preview with #170504

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

Preview Lab → · Contrast checker → · Palette generator →