#661B26#661B26

#661B26 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.107 H 16.3°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#661B26
RGB	rgb(102, 27, 38)
HSL	hsl(351, 58%, 25%)
HSV	hsv(351, 74%, 40%)
CMYK	cmyk(0%, 73.5%, 62.7%, 60%)
CIE-LAB	lab(22.83, 34.16, 12.23)
CIE-LCH	lch(22.83, 36.28, 19.69°)
OKLab	oklab(34.8% 0.1023 0.03)
OKLCH	oklch(34.8% 0.107 16.3)
XYZ	xyz(6.2219, 3.7495, 2.2294)
Luminance	0.0375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B26 #1B665B

analogous

#661B4B #661B26 #66351B

triadic

#661B26 #26661B #1B2666

tetradic

#661B26 #4B661B #1B665B #351B66

square

#661B26 #4B661B #1B665B #351B66

split-complementary

#661B26 #1B6635 #1B4B66

monochromatic

#180609 #360E14 #661B26 #962838 #C7354A

Accessibility & contrast

On white

12.00

#661B26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#661B26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B26

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B26	#FFFFFF	#000000	##FFFFFF
##661B26	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D26

Deuteranopia (green-blind)

#423C24

Tritanopia (blue-blind)

#700920

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661b26;
/* rgb */ color: rgb(102, 27, 38);
/* oklch */ color: oklch(34.8% 0.107 16.3);

Tailwind

colors: {
  custom: {
    50: '#975d60',
    500: '#661b26',
    950: '#000000',
  },
}

SCSS

$custom: #661b26;
$custom-light: #975d60;
$custom-dark: #000000;

JSON

{
  "hex": "#661b26",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 38
  },
  "hsl": {
    "h": 351.2,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34802,
    "c": 0.10661,
    "h": 16.3
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary

#661B26

secondary

#419B8E

accent

#E1CB46

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #661B26

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

Preview Lab → · Contrast checker → · Palette generator →