#66121D#66121D

#66121D is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.7% C 0.116 H 19.5°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#66121D
RGB	rgb(102, 18, 29)
HSL	hsl(352, 70%, 24%)
HSV	hsv(352, 82%, 40%)
CMYK	cmyk(0%, 82.4%, 71.6%, 60%)
CIE-LAB	lab(21.38, 37.04, 16.55)
CIE-LCH	lch(21.38, 40.57, 24.07°)
OKLab	oklab(33.67% 0.1096 0.0389)
OKLCH	oklch(33.67% 0.116 19.5)
XYZ	xyz(5.9182, 3.3470, 1.4966)
Luminance	0.0335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66121D #12665B

analogous

#661247 #66121D #663112

triadic

#66121D #1D6612 #121D66

tetradic

#66121D #476612 #12665B #311266

square

#66121D #476612 #12665B #311266

split-complementary

#66121D #126631 #124766

monochromatic

#1A0507 #32090E #66121D #9A1B2C #CE243B

Accessibility & contrast

On white

12.58

#66121D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#66121D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66121D

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66121D	#FFFFFF	#000000	##FFFFFF
##66121D	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281D

Deuteranopia (green-blind)

#403A1A

Tritanopia (blue-blind)

#710017

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #66121d;
/* rgb */ color: rgb(102, 18, 29);
/* oklch */ color: oklch(33.7% 0.116 19.5);

Tailwind

colors: {
  custom: {
    50: '#985958',
    500: '#66121d',
    950: '#000000',
  },
}

SCSS

$custom: #66121d;
$custom-light: #985958;
$custom-dark: #000000;

JSON

{
  "hex": "#66121d",
  "rgb": {
    "r": 102,
    "g": 18,
    "b": 29
  },
  "hsl": {
    "h": 352.143,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33671,
    "c": 0.11625,
    "h": 19.5
  },
  "luminance": 0.03346
}

Semantic roles & 50–950 ramp

primary

#66121D

secondary

#369E90

accent

#EDD63B

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66121D

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

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