#661E2F#661E2F

#661E2F is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.104 H 10.0°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#661E2F
RGB	rgb(102, 30, 47)
HSL	hsl(346, 55%, 26%)
HSV	hsv(346, 71%, 40%)
CMYK	cmyk(0%, 70.6%, 53.9%, 60%)
CIE-LAB	lab(23.54, 33.60, 7.01)
CIE-LCH	lch(23.54, 34.33, 11.79°)
OKLab	oklab(35.4% 0.102 0.018)
OKLCH	oklch(35.4% 0.104 10)
XYZ	xyz(6.4574, 3.9594, 3.1130)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E2F #1E6655

analogous

#661E53 #661E2F #66311E

triadic

#661E2F #2F661E #1E2F66

tetradic

#661E2F #53661E #1E6655 #311E66

square

#661E2F #53661E #1E6655 #311E66

split-complementary

#661E2F #1E6631 #1E5366

monochromatic

#18070B #371019 #661E2F #952C45 #C53A5B

Accessibility & contrast

On white

11.72

#661E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#661E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E2F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E2F	#FFFFFF	#000000	##FFFFFF
##661E2F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2F2F

Deuteranopia (green-blind)

#413D2D

Tritanopia (blue-blind)

#701225

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661e2f;
/* rgb */ color: rgb(102, 30, 47);
/* oklch */ color: oklch(35.4% 0.104 10.0);

Tailwind

colors: {
  custom: {
    50: '#965f67',
    500: '#661e2f',
    950: '#000000',
  },
}

SCSS

$custom: #661e2f;
$custom-light: #965f67;
$custom-dark: #000000;

JSON

{
  "hex": "#661e2f",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 47
  },
  "hsl": {
    "h": 345.833,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35403,
    "c": 0.10353,
    "h": 10
  },
  "luminance": 0.03959
}

Semantic roles & 50–950 ramp

primary

#661E2F

secondary

#459B86

accent

#DEBB4A

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0506

muted

#7E797A

Preview Lab

Preview with #661E2F

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

Preview Lab → · Contrast checker → · Palette generator →