#671B1D#671B1D

#671B1D is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.108 H 23.4°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#671B1D
RGB	rgb(103, 27, 29)
HSL	hsl(358, 58%, 25%)
HSV	hsv(358, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 71.8%, 59.6%)
CIE-LAB	lab(22.85, 33.90, 18.40)
CIE-LCH	lch(22.85, 38.57, 28.50°)
OKLab	oklab(34.8% 0.0994 0.043)
OKLCH	oklch(34.8% 0.108 23.4)
XYZ	xyz(6.2079, 3.7570, 1.5605)
Luminance	0.0376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B1D #1B6765

analogous

#671B43 #671B1D #673F1B

triadic

#671B1D #1D671B #1B1D67

tetradic

#671B1D #43671B #1B6765 #3F1B67

square

#671B1D #43671B #1B6765 #3F1B67

split-complementary

#671B1D #1B673F #1B4367

monochromatic

#180607 #370E0F #671B1D #97282B #C83438

Accessibility & contrast

On white

11.99

#671B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#671B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B1D

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B1D	#FFFFFF	#000000	##FFFFFF
##671B1D	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C1C

Deuteranopia (green-blind)

#433D1B

Tritanopia (blue-blind)

#72051D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b1d;
/* rgb */ color: rgb(103, 27, 29);
/* oklch */ color: oklch(34.8% 0.108 23.4);

Tailwind

colors: {
  custom: {
    50: '#985d59',
    500: '#671b1d',
    950: '#000000',
  },
}

SCSS

$custom: #671b1d;
$custom-light: #985d59;
$custom-dark: #000000;

JSON

{
  "hex": "#671b1d",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 29
  },
  "hsl": {
    "h": 358.421,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34802,
    "c": 0.10829,
    "h": 23.4
  },
  "luminance": 0.03756
}

Semantic roles & 50–950 ramp

primary

#671B1D

secondary

#429C9A

accent

#E2DE46

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671B1D

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

Preview Lab → · Contrast checker → · Palette generator →