#671F21#671F21

#671F21 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.103 H 22.6°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#671F21
RGB	rgb(103, 31, 33)
HSL	hsl(358, 54%, 26%)
HSV	hsv(358, 70%, 40%)
CMYK	cmyk(0%, 69.9%, 68%, 59.6%)
CIE-LAB	lab(23.59, 32.35, 16.64)
CIE-LCH	lch(23.59, 36.38, 27.23°)
OKLab	oklab(35.37% 0.0954 0.0396)
OKLCH	oklch(35.37% 0.103 22.6)
XYZ	xyz(6.3587, 3.9742, 1.8708)
Luminance	0.0397 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671F21 #1F6765

analogous

#671F45 #671F21 #67411F

triadic

#671F21 #21671F #1F2167

tetradic

#671F21 #45671F #1F6765 #411F67

square

#671F21 #45671F #1F6765 #411F67

split-complementary

#671F21 #1F6741 #1F4567

monochromatic

#180708 #381112 #671F21 #962D30 #C43C40

Accessibility & contrast

On white

11.70

#671F21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#671F21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671F21

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671F21	#FFFFFF	#000000	##FFFFFF
##671F21	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E20

Deuteranopia (green-blind)

#443E1F

Tritanopia (blue-blind)

#710E20

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671f21;
/* rgb */ color: rgb(103, 31, 33);
/* oklch */ color: oklch(35.4% 0.103 22.6);

Tailwind

colors: {
  custom: {
    50: '#985f5c',
    500: '#671f21',
    950: '#000000',
  },
}

SCSS

$custom: #671f21;
$custom-light: #985f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#671f21",
  "rgb": {
    "r": 103,
    "g": 31,
    "b": 33
  },
  "hsl": {
    "h": 358.333,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35374,
    "c": 0.10327,
    "h": 22.6
  },
  "luminance": 0.03973
}

Semantic roles & 50–950 ramp

primary

#671F21

secondary

#469B99

accent

#DDD94B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0504

muted

#7E7979

Preview Lab

Preview with #671F21

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

Preview Lab → · Contrast checker → · Palette generator →