#6B1423#6B1423

#6B1423 is a dark, moderate red. Relative luminance 0.037; OKLCH L 35.0% C 0.120 H 16.9°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#6B1423
RGB	rgb(107, 20, 35)
HSL	hsl(350, 69%, 25%)
HSV	hsv(350, 81%, 42%)
CMYK	cmyk(0%, 81.3%, 67.3%, 58%)
CIE-LAB	lab(22.82, 38.36, 14.47)
CIE-LCH	lch(22.82, 41.00, 20.67°)
OKLab	oklab(34.97% 0.1144 0.0348)
OKLCH	oklch(34.97% 0.12 16.9)
XYZ	xyz(6.6176, 3.7485, 1.9649)
Luminance	0.0375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1423 #146B5C

analogous

#6B144F #6B1423 #6B3014

triadic

#6B1423 #236B14 #14236B

tetradic

#6B1423 #4F6B14 #146B5C #30146B

square

#6B1423 #4F6B14 #146B5C #30146B

split-complementary

#6B1423 #146B30 #144F6B

monochromatic

#1A0508 #370A12 #6B1423 #9F1E34 #D22745

Accessibility & contrast

On white

12.00

#6B1423 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#6B1423 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1423

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1423	#FFFFFF	#000000	##FFFFFF
##6B1423	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2B23

Deuteranopia (green-blind)

#433D21

Tritanopia (blue-blind)

#76001A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #6b1423;
/* rgb */ color: rgb(107, 20, 35);
/* oklch */ color: oklch(35.0% 0.120 16.9);

Tailwind

colors: {
  custom: {
    50: '#9c5b5d',
    500: '#6b1423',
    950: '#000000',
  },
}

SCSS

$custom: #6b1423;
$custom-light: #9c5b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1423",
  "rgb": {
    "r": 107,
    "g": 20,
    "b": 35
  },
  "hsl": {
    "h": 349.655,
    "s": 68.504,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34968,
    "c": 0.1196,
    "h": 16.9
  },
  "luminance": 0.03747
}

Semantic roles & 50–950 ramp

primary

#6B1423

secondary

#39A290

accent

#EBCD3C

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0404

muted

#7F7979

Preview Lab

Preview with #6B1423

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

Preview Lab → · Contrast checker → · Palette generator →