#6B1528#6B1528

#6B1528 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.2% C 0.119 H 13.6°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#6B1528
RGB	rgb(107, 21, 40)
HSL	hsl(347, 67%, 25%)
HSV	hsv(347, 80%, 42%)
CMYK	cmyk(0%, 80.4%, 62.6%, 58%)
CIE-LAB	lab(23.05, 38.36, 11.34)
CIE-LCH	lch(23.05, 40.00, 16.46°)
OKLab	oklab(35.17% 0.1155 0.028)
OKLCH	oklch(35.17% 0.119 13.6)
XYZ	xyz(6.7153, 3.8163, 2.3901)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1528 #156B58

analogous

#6B1553 #6B1528 #6B2D15

triadic

#6B1528 #286B15 #15286B

tetradic

#6B1528 #536B15 #156B58 #2D156B

square

#6B1528 #536B15 #156B58 #2D156B

split-complementary

#6B1528 #156B2D #15536B

monochromatic

#1A050A #380B15 #6B1528 #9E1F3B #D1294E

Accessibility & contrast

On white

11.91

#6B1528 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6B1528 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1528

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1528	#FFFFFF	#000000	##FFFFFF
##6B1528	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C28

Deuteranopia (green-blind)

#433D26

Tritanopia (blue-blind)

#76001D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1528;
/* rgb */ color: rgb(107, 21, 40);
/* oklch */ color: oklch(35.2% 0.119 13.6);

Tailwind

colors: {
  custom: {
    50: '#9b5b61',
    500: '#6b1528',
    950: '#000000',
  },
}

SCSS

$custom: #6b1528;
$custom-light: #9b5b61;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1528",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 40
  },
  "hsl": {
    "h": 346.744,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35175,
    "c": 0.11881,
    "h": 13.6
  },
  "luminance": 0.03815
}

Semantic roles & 50–950 ramp

primary

#6B1528

secondary

#3AA28B

accent

#EAC43E

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0405

muted

#7F7979

Preview Lab

Preview with #6B1528

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

Preview Lab → · Contrast checker → · Palette generator →