#661E30#661E30

#661E30 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.104 H 9.1°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#661E30
RGB	rgb(102, 30, 48)
HSL	hsl(345, 55%, 26%)
HSV	hsv(345, 71%, 40%)
CMYK	cmyk(0%, 70.6%, 52.9%, 60%)
CIE-LAB	lab(23.56, 33.70, 6.36)
CIE-LCH	lch(23.56, 34.30, 10.69°)
OKLab	oklab(35.43% 0.1024 0.0164)
OKLCH	oklch(35.43% 0.104 9.1)
XYZ	xyz(6.4778, 3.9676, 3.2204)
Luminance	0.0397 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E30 #1E6654

analogous

#661E54 #661E30 #66301E

triadic

#661E30 #30661E #1E3066

tetradic

#661E30 #54661E #1E6654 #301E66

square

#661E30 #54661E #1E6654 #301E66

split-complementary

#661E30 #1E6630 #1E5466

monochromatic

#18070B #37101A #661E30 #952C46 #C53A5D

Accessibility & contrast

On white

11.71

#661E30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#661E30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E30

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E30	#FFFFFF	#000000	##FFFFFF
##661E30	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2F30

Deuteranopia (green-blind)

#413D2E

Tritanopia (blue-blind)

#701225

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661e30;
/* rgb */ color: rgb(102, 30, 48);
/* oklch */ color: oklch(35.4% 0.104 9.1);

Tailwind

colors: {
  custom: {
    50: '#965f68',
    500: '#661e30',
    950: '#000000',
  },
}

SCSS

$custom: #661e30;
$custom-light: #965f68;
$custom-dark: #000000;

JSON

{
  "hex": "#661e30",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 48
  },
  "hsl": {
    "h": 345,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35433,
    "c": 0.10369,
    "h": 9.1
  },
  "luminance": 0.03967
}

Semantic roles & 50–950 ramp

primary

#661E30

secondary

#459B85

accent

#DEB94A

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0506

muted

#7E797A

Preview Lab

Preview with #661E30

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

Preview Lab → · Contrast checker → · Palette generator →