#671B23#671B23

#671B23 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.108 H 18.9°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#671B23
RGB	rgb(103, 27, 35)
HSL	hsl(354, 58%, 25%)
HSV	hsv(354, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 66%, 59.6%)
CIE-LAB	lab(22.96, 34.29, 14.50)
CIE-LCH	lch(22.96, 37.23, 22.92°)
OKLab	oklab(34.92% 0.102 0.035)
OKLCH	oklch(34.92% 0.108 18.9)
XYZ	xyz(6.2895, 3.7897, 1.9901)
Luminance	0.0379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B23 #1B675F

analogous

#671B49 #671B23 #67391B

triadic

#671B23 #23671B #1B2367

tetradic

#671B23 #49671B #1B675F #391B67

square

#671B23 #49671B #1B675F #391B67

split-complementary

#671B23 #1B6739 #1B4967

monochromatic

#180608 #370E13 #671B23 #972833 #C83444

Accessibility & contrast

On white

11.95

#671B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B23

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B23	#FFFFFF	#000000	##FFFFFF
##671B23	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D23

Deuteranopia (green-blind)

#433D21

Tritanopia (blue-blind)

#71071E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b23;
/* rgb */ color: rgb(103, 27, 35);
/* oklch */ color: oklch(34.9% 0.108 18.9);

Tailwind

colors: {
  custom: {
    50: '#985d5d',
    500: '#671b23',
    950: '#000000',
  },
}

SCSS

$custom: #671b23;
$custom-light: #985d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#671b23",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 353.684,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34921,
    "c": 0.1078,
    "h": 18.9
  },
  "luminance": 0.03789
}

Semantic roles & 50–950 ramp

primary

#671B23

secondary

#429C93

accent

#E2D146

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #671B23

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

Preview Lab → · Contrast checker → · Palette generator →