#6B1515#6B1515

#6B1515 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.120 H 26.0°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#6B1515
RGB	rgb(107, 21, 21)
HSL	hsl(0, 67%, 25%)
HSV	hsv(0, 80%, 42%)
CMYK	cmyk(0%, 80.4%, 80.4%, 58%)
CIE-LAB	lab(22.71, 37.26, 23.69)
CIE-LCH	lch(22.71, 44.15, 32.45°)
OKLab	oklab(34.81% 0.1076 0.0526)
OKLCH	oklch(34.81% 0.12 26)
XYZ	xyz(6.4677, 3.7173, 1.0863)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1515 #156B6B

analogous

#6B1540 #6B1515 #6B4015

triadic

#6B1515 #156B15 #15156B

tetradic

#6B1515 #406B15 #156B6B #40156B

square

#6B1515 #406B15 #156B6B #40156B

split-complementary

#6B1515 #156B40 #15406B

monochromatic

#1A0505 #380B0B #6B1515 #9E1F1F #D12929

Accessibility & contrast

On white

12.05

#6B1515 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#6B1515 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1515

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1515	#FFFFFF	#000000	##FFFFFF
##6B1515	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A14

Deuteranopia (green-blind)

#453D12

Tritanopia (blue-blind)

#760016

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #6b1515;
/* rgb */ color: rgb(107, 21, 21);
/* oklch */ color: oklch(34.8% 0.120 26.0);

Tailwind

colors: {
  custom: {
    50: '#9d5b52',
    500: '#6b1515',
    950: '#000000',
  },
}

SCSS

$custom: #6b1515;
$custom-light: #9d5b52;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1515",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 21
  },
  "hsl": {
    "h": 0,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34813,
    "c": 0.11972,
    "h": 26
  },
  "luminance": 0.03716
}

Semantic roles & 50–950 ramp

primary

#6B1515

secondary

#3AA2A2

accent

#EAEA3E

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100402

muted

#7F7978

Preview Lab

Preview with #6B1515

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

Preview Lab → · Contrast checker → · Palette generator →