#671E2B#671E2B

#671E2B is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.5% C 0.104 H 13.8°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#671E2B
RGB	rgb(103, 30, 43)
HSL	hsl(349, 55%, 26%)
HSV	hsv(349, 71%, 40%)
CMYK	cmyk(0%, 70.9%, 58.3%, 59.6%)
CIE-LAB	lab(23.63, 33.59, 9.91)
CIE-LCH	lch(23.63, 35.03, 16.44°)
OKLab	oklab(35.48% 0.1012 0.0248)
OKLCH	oklch(35.48% 0.104 13.8)
XYZ	xyz(6.4944, 3.9874, 2.7127)
Luminance	0.0399 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671E2B #1E675A

analogous

#671E4F #671E2B #67351E

triadic

#671E2B #2B671E #1E2B67

tetradic

#671E2B #4F671E #1E675A #351E67

square

#671E2B #4F671E #1E675A #351E67

split-complementary

#671E2B #1E6735 #1E4F67

monochromatic

#18070A #381017 #671E2B #962C3F #C63A53

Accessibility & contrast

On white

11.68

#671E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#671E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671E2B

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671E2B	#FFFFFF	#000000	##FFFFFF
##671E2B	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302F2B

Deuteranopia (green-blind)

#433E29

Tritanopia (blue-blind)

#711023

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671e2b;
/* rgb */ color: rgb(103, 30, 43);
/* oklch */ color: oklch(35.5% 0.104 13.8);

Tailwind

colors: {
  custom: {
    50: '#975f64',
    500: '#671e2b',
    950: '#000000',
  },
}

SCSS

$custom: #671e2b;
$custom-light: #975f64;
$custom-dark: #000000;

JSON

{
  "hex": "#671e2b",
  "rgb": {
    "r": 103,
    "g": 30,
    "b": 43
  },
  "hsl": {
    "h": 349.315,
    "s": 54.887,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35476,
    "c": 0.10424,
    "h": 13.8
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#671E2B

secondary

#459C8C

accent

#DEC44A

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #671E2B

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

Preview Lab → · Contrast checker → · Palette generator →