#6B1428#6B1428

#6B1428 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.120 H 13.3°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#6B1428
RGB	rgb(107, 20, 40)
HSL	hsl(346, 69%, 25%)
HSV	hsv(346, 81%, 42%)
CMYK	cmyk(0%, 81.3%, 62.6%, 58%)
CIE-LAB	lab(22.93, 38.71, 11.17)
CIE-LCH	lch(22.93, 40.29, 16.10°)
OKLab	oklab(35.08% 0.1166 0.0276)
OKLCH	oklch(35.08% 0.12 13.3)
XYZ	xyz(6.6972, 3.7803, 2.3841)
Luminance	0.0378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1428 #146B57

analogous

#6B1453 #6B1428 #6B2C14

triadic

#6B1428 #286B14 #14286B

tetradic

#6B1428 #536B14 #146B57 #2C146B

square

#6B1428 #536B14 #146B57 #2C146B

split-complementary

#6B1428 #146B2C #14536B

monochromatic

#1A050A #370A15 #6B1428 #9F1E3B #D2274F

Accessibility & contrast

On white

11.96

#6B1428 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6B1428 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1428

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1428	#FFFFFF	#000000	##FFFFFF
##6B1428	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2B28

Deuteranopia (green-blind)

#423D26

Tritanopia (blue-blind)

#76001D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1428;
/* rgb */ color: rgb(107, 20, 40);
/* oklch */ color: oklch(35.1% 0.120 13.3);

Tailwind

colors: {
  custom: {
    50: '#9b5b61',
    500: '#6b1428',
    950: '#000000',
  },
}

SCSS

$custom: #6b1428;
$custom-light: #9b5b61;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1428",
  "rgb": {
    "r": 107,
    "g": 20,
    "b": 40
  },
  "hsl": {
    "h": 346.207,
    "s": 68.504,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35084,
    "c": 0.1198,
    "h": 13.3
  },
  "luminance": 0.03779
}

Semantic roles & 50–950 ramp

primary

#6B1428

secondary

#39A28A

accent

#EBC33C

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0405

muted

#7F7979

Preview Lab

Preview with #6B1428

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

Preview Lab → · Contrast checker → · Palette generator →