#671B24#671B24

#671B24 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.108 H 18.1°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#671B24
RGB	rgb(103, 27, 36)
HSL	hsl(353, 58%, 25%)
HSV	hsv(353, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 65%, 59.6%)
CIE-LAB	lab(22.98, 34.36, 13.84)
CIE-LCH	lch(22.98, 37.05, 21.94°)
OKLab	oklab(34.94% 0.1024 0.0336)
OKLCH	oklch(34.94% 0.108 18.1)
XYZ	xyz(6.3045, 3.7957, 2.0694)
Luminance	0.0379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B24 #1B675E

analogous

#671B4A #671B24 #67381B

triadic

#671B24 #24671B #1B2467

tetradic

#671B24 #4A671B #1B675E #381B67

square

#671B24 #4A671B #1B675E #381B67

split-complementary

#671B24 #1B6738 #1B4A67

monochromatic

#180608 #370E13 #671B24 #972835 #C83446

Accessibility & contrast

On white

11.94

#671B24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671B24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B24

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B24	#FFFFFF	#000000	##FFFFFF
##671B24	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D24

Deuteranopia (green-blind)

#423D22

Tritanopia (blue-blind)

#71071F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b24;
/* rgb */ color: rgb(103, 27, 36);
/* oklch */ color: oklch(34.9% 0.108 18.1);

Tailwind

colors: {
  custom: {
    50: '#985d5e',
    500: '#671b24',
    950: '#000000',
  },
}

SCSS

$custom: #671b24;
$custom-light: #985d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#671b24",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 36
  },
  "hsl": {
    "h": 352.895,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34944,
    "c": 0.10777,
    "h": 18.1
  },
  "luminance": 0.03795
}

Semantic roles & 50–950 ramp

primary

#671B24

secondary

#429C92

accent

#E2CF46

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #671B24

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

Preview Lab → · Contrast checker → · Palette generator →