#671828#671828

#671828 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.111 H 13.7°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#671828
RGB	rgb(103, 24, 40)
HSL	hsl(348, 62%, 25%)
HSV	hsv(348, 77%, 40%)
CMYK	cmyk(0%, 76.7%, 61.2%, 59.6%)
CIE-LAB	lab(22.62, 35.92, 10.61)
CIE-LCH	lch(22.62, 37.45, 16.46°)
OKLab	oklab(34.7% 0.1082 0.0263)
OKLCH	oklch(34.7% 0.111 13.7)
XYZ	xyz(6.3038, 3.6909, 2.3876)
Luminance	0.0369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671828 #186757

analogous

#671850 #671828 #672F18

triadic

#671828 #286718 #182867

tetradic

#671828 #506718 #186757 #2F1867

square

#671828 #506718 #186757 #2F1867

split-complementary

#671828 #18672F #185067

monochromatic

#19060A #350C15 #671828 #99243B #CA2F4F

Accessibility & contrast

On white

12.08

#671828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#671828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671828

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671828	#FFFFFF	#000000	##FFFFFF
##671828	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C28

Deuteranopia (green-blind)

#413C26

Tritanopia (blue-blind)

#71031F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671828;
/* rgb */ color: rgb(103, 24, 40);
/* oklch */ color: oklch(34.7% 0.111 13.7);

Tailwind

colors: {
  custom: {
    50: '#985c61',
    500: '#671828',
    950: '#000000',
  },
}

SCSS

$custom: #671828;
$custom-light: #985c61;
$custom-dark: #000000;

JSON

{
  "hex": "#671828",
  "rgb": {
    "r": 103,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 347.848,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34703,
    "c": 0.11132,
    "h": 13.7
  },
  "luminance": 0.0369
}

Semantic roles & 50–950 ramp

primary

#671828

secondary

#3E9D8A

accent

#E5C443

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #671828

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

Preview Lab → · Contrast checker → · Palette generator →