#6B1525#6B1525

#6B1525 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.119 H 15.8°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#6B1525
RGB	rgb(107, 21, 37)
HSL	hsl(349, 67%, 25%)
HSV	hsv(349, 80%, 42%)
CMYK	cmyk(0%, 80.4%, 65.4%, 58%)
CIE-LAB	lab(22.99, 38.15, 13.32)
CIE-LCH	lch(22.99, 40.40, 19.24°)
OKLab	oklab(35.1% 0.1142 0.0323)
OKLCH	oklch(35.1% 0.119 15.8)
XYZ	xyz(6.6662, 3.7967, 2.1317)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1525 #156B5B

analogous

#6B1550 #6B1525 #6B3015

triadic

#6B1525 #256B15 #15256B

tetradic

#6B1525 #506B15 #156B5B #30156B

square

#6B1525 #506B15 #156B5B #30156B

split-complementary

#6B1525 #156B30 #15506B

monochromatic

#1A0509 #380B13 #6B1525 #9E1F37 #D12948

Accessibility & contrast

On white

11.94

#6B1525 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#6B1525 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1525

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1525	#FFFFFF	#000000	##FFFFFF
##6B1525	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)

#2D2B25

Deuteranopia (green-blind)

#433D23

Tritanopia (blue-blind)

#76001C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1525;
/* rgb */ color: rgb(107, 21, 37);
/* oklch */ color: oklch(35.1% 0.119 15.8);

Tailwind

colors: {
  custom: {
    50: '#9b5b5f',
    500: '#6b1525',
    950: '#000000',
  },
}

SCSS

$custom: #6b1525;
$custom-light: #9b5b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1525",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 37
  },
  "hsl": {
    "h": 348.837,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35104,
    "c": 0.11866,
    "h": 15.8
  },
  "luminance": 0.03796
}

Semantic roles & 50–950 ramp

primary

#6B1525

secondary

#3AA28E

accent

#EACA3E

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0404

muted

#7F7979

Preview Lab

Preview with #6B1525

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

Preview Lab → · Contrast checker → · Palette generator →