#671728#671728

#671728 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.6% C 0.112 H 13.3°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#671728
RGB	rgb(103, 23, 40)
HSL	hsl(347, 63%, 25%)
HSV	hsv(347, 78%, 40%)
CMYK	cmyk(0%, 77.7%, 61.2%, 59.6%)
CIE-LAB	lab(22.48, 36.31, 10.42)
CIE-LCH	lch(22.48, 37.77, 16.01°)
OKLab	oklab(34.6% 0.1094 0.0259)
OKLCH	oklch(34.6% 0.112 13.3)
XYZ	xyz(6.2835, 3.6505, 2.3808)
Luminance	0.0365 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671728 #176756

analogous

#671750 #671728 #672E17

triadic

#671728 #286717 #172867

tetradic

#671728 #506717 #176756 #2E1767

square

#671728 #506717 #176756 #2E1767

split-complementary

#671728 #17672E #175067

monochromatic

#19060A #350C15 #671728 #99223B #CB2D4F

Accessibility & contrast

On white

12.14

#671728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#671728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671728

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671728	#FFFFFF	#000000	##FFFFFF
##671728	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2B28

Deuteranopia (green-blind)

#413C26

Tritanopia (blue-blind)

#71021E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671728;
/* rgb */ color: rgb(103, 23, 40);
/* oklch */ color: oklch(34.6% 0.112 13.3);

Tailwind

colors: {
  custom: {
    50: '#985b61',
    500: '#671728',
    950: '#000000',
  },
}

SCSS

$custom: #671728;
$custom-light: #985b61;
$custom-dark: #000000;

JSON

{
  "hex": "#671728",
  "rgb": {
    "r": 103,
    "g": 23,
    "b": 40
  },
  "hsl": {
    "h": 347.25,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34598,
    "c": 0.11244,
    "h": 13.3
  },
  "luminance": 0.0365
}

Semantic roles & 50–950 ramp

primary

#671728

secondary

#3D9D89

accent

#E7C341

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #671728

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

Preview Lab → · Contrast checker → · Palette generator →