#66121B#66121B

#66121B is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.116 H 20.9°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#66121B
RGB	rgb(102, 18, 27)
HSL	hsl(354, 70%, 24%)
HSV	hsv(354, 82%, 40%)
CMYK	cmyk(0%, 82.4%, 73.5%, 60%)
CIE-LAB	lab(21.35, 36.93, 17.87)
CIE-LCH	lch(21.35, 41.03, 25.82°)
OKLab	oklab(33.63% 0.1087 0.0415)
OKLCH	oklch(33.63% 0.116 20.9)
XYZ	xyz(5.8943, 3.3374, 1.3705)
Luminance	0.0334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66121B #12665D

analogous

#661245 #66121B #663312

triadic

#66121B #1B6612 #121B66

tetradic

#66121B #456612 #12665D #331266

square

#66121B #456612 #12665D #331266

split-complementary

#66121B #126633 #124566

monochromatic

#1A0507 #32090D #66121B #9A1B29 #CE2437

Accessibility & contrast

On white

12.59

#66121B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#66121B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66121B

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66121B	#FFFFFF	#000000	##FFFFFF
##66121B	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281B

Deuteranopia (green-blind)

#403A18

Tritanopia (blue-blind)

#710016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #66121b;
/* rgb */ color: rgb(102, 18, 27);
/* oklch */ color: oklch(33.6% 0.116 20.9);

Tailwind

colors: {
  custom: {
    50: '#985957',
    500: '#66121b',
    950: '#000000',
  },
}

SCSS

$custom: #66121b;
$custom-light: #985957;
$custom-dark: #000000;

JSON

{
  "hex": "#66121b",
  "rgb": {
    "r": 102,
    "g": 18,
    "b": 27
  },
  "hsl": {
    "h": 353.571,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33633,
    "c": 0.11636,
    "h": 20.9
  },
  "luminance": 0.03337
}

Semantic roles & 50–950 ramp

primary

#66121B

secondary

#369E93

accent

#EDDA3B

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66121B

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

Preview Lab → · Contrast checker → · Palette generator →