#671729#671729

#671729 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.113 H 12.5°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#671729
RGB	rgb(103, 23, 41)
HSL	hsl(347, 63%, 25%)
HSV	hsv(347, 78%, 40%)
CMYK	cmyk(0%, 77.7%, 60.2%, 59.6%)
CIE-LAB	lab(22.50, 36.39, 9.76)
CIE-LCH	lch(22.50, 37.68, 15.01°)
OKLab	oklab(34.62% 0.1099 0.0244)
OKLCH	oklch(34.62% 0.113 12.5)
XYZ	xyz(6.3008, 3.6573, 2.4716)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671729 #176755

analogous

#671751 #671729 #672D17

triadic

#671729 #296717 #172967

tetradic

#671729 #516717 #176755 #2D1767

square

#671729 #516717 #176755 #2D1767

split-complementary

#671729 #17672D #175167

monochromatic

#19060A #350C15 #671729 #99223D #CB2D51

Accessibility & contrast

On white

12.13

#671729 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#671729 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671729

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671729	#FFFFFF	#000000	##FFFFFF
##671729	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2B29

Deuteranopia (green-blind)

#413C27

Tritanopia (blue-blind)

#71021E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671729;
/* rgb */ color: rgb(103, 23, 41);
/* oklch */ color: oklch(34.6% 0.113 12.5);

Tailwind

colors: {
  custom: {
    50: '#985b62',
    500: '#671729',
    950: '#000000',
  },
}

SCSS

$custom: #671729;
$custom-light: #985b62;
$custom-dark: #000000;

JSON

{
  "hex": "#671729",
  "rgb": {
    "r": 103,
    "g": 23,
    "b": 41
  },
  "hsl": {
    "h": 346.5,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34624,
    "c": 0.11253,
    "h": 12.5
  },
  "luminance": 0.03656
}

Semantic roles & 50–950 ramp

primary

#671729

secondary

#3D9D88

accent

#E7C141

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #671729

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

Preview Lab → · Contrast checker → · Palette generator →