#671C23#671C23

#671C23 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.107 H 19.4°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#671C23
RGB	rgb(103, 28, 35)
HSL	hsl(354, 57%, 26%)
HSV	hsv(354, 73%, 40%)
CMYK	cmyk(0%, 72.8%, 66%, 59.6%)
CIE-LAB	lab(23.12, 33.85, 14.70)
CIE-LCH	lch(23.12, 36.91, 23.47°)
OKLab	oklab(35.04% 0.1006 0.0354)
OKLCH	oklch(35.04% 0.107 19.4)
XYZ	xyz(6.3128, 3.8363, 1.9979)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671C23 #1C6760

analogous

#671C48 #671C23 #673A1C

triadic

#671C23 #23671C #1C2367

tetradic

#671C23 #48671C #1C6760 #3A1C67

square

#671C23 #48671C #1C6760 #3A1C67

split-complementary

#671C23 #1C673A #1C4867

monochromatic

#180708 #370F13 #671C23 #972933 #C73644

Accessibility & contrast

On white

11.88

#671C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671C23

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671C23	#FFFFFF	#000000	##FFFFFF
##671C23	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D23

Deuteranopia (green-blind)

#433D21

Tritanopia (blue-blind)

#71091F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671c23;
/* rgb */ color: rgb(103, 28, 35);
/* oklch */ color: oklch(35.0% 0.107 19.4);

Tailwind

colors: {
  custom: {
    50: '#985e5d',
    500: '#671c23',
    950: '#000000',
  },
}

SCSS

$custom: #671c23;
$custom-light: #985e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#671c23",
  "rgb": {
    "r": 103,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 354.4,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3504,
    "c": 0.10664,
    "h": 19.4
  },
  "luminance": 0.03835
}

Semantic roles & 50–950 ramp

primary

#671C23

secondary

#439C94

accent

#E1D247

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0504

muted

#7E7979

Preview Lab

Preview with #671C23

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

Preview Lab → · Contrast checker → · Palette generator →