#671B2D#671B2D

#671B2D is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.108 H 10.7°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#671B2D
RGB	rgb(103, 27, 45)
HSL	hsl(346, 58%, 25%)
HSV	hsv(346, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 56.3%, 59.6%)
CIE-LAB	lab(23.20, 35.10, 7.94)
CIE-LCH	lch(23.20, 35.99, 12.75°)
OKLab	oklab(35.17% 0.1064 0.0202)
OKLCH	oklch(35.17% 0.108 10.7)
XYZ	xyz(6.4597, 3.8578, 2.8866)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B2D #1B6755

analogous

#671B53 #671B2D #672F1B

triadic

#671B2D #2D671B #1B2D67

tetradic

#671B2D #53671B #1B6755 #2F1B67

square

#671B2D #53671B #1B6755 #2F1B67

split-complementary

#671B2D #1B672F #1B5367

monochromatic

#18060B #370E18 #671B2D #972842 #C83457

Accessibility & contrast

On white

11.86

#671B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B2D

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B2D	#FFFFFF	#000000	##FFFFFF
##671B2D	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D2D

Deuteranopia (green-blind)

#413D2B

Tritanopia (blue-blind)

#710B22

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b2d;
/* rgb */ color: rgb(103, 27, 45);
/* oklch */ color: oklch(35.2% 0.108 10.7);

Tailwind

colors: {
  custom: {
    50: '#975d65',
    500: '#671b2d',
    950: '#000000',
  },
}

SCSS

$custom: #671b2d;
$custom-light: #975d65;
$custom-dark: #000000;

JSON

{
  "hex": "#671b2d",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 45
  },
  "hsl": {
    "h": 345.789,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35169,
    "c": 0.10825,
    "h": 10.7
  },
  "luminance": 0.03857
}

Semantic roles & 50–950 ramp

primary

#671B2D

secondary

#429C87

accent

#E2BD46

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #671B2D

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

Preview Lab → · Contrast checker → · Palette generator →