#66222D
Closest named color: Reddy Brown (#6E1005). oklch(35.9% 0.098 13.8), rgb(102, 34, 45).
Aa
White text reads best on this color (11.46:1).
About this color
#66222D is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.098 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.047 away. White text reads best on it, at 11.46:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.83:1 |
| White text | 11.46:1 |
Values
| HEX | #66222D |
| RGB | rgb(102, 34, 45) |
| HSL | hsl(350, 50%, 27%) |
| OKLCH | oklch(35.9% 0.098 13.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #66222D | 11.46:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #66222D | 1.83:1 | Fails | Lc 8.2 | Not readable |
| #66222D text on white | 11.46:1 | AAA | Lc 95.7 | Preferred for body text |
| #66222D text on black | 1.83:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E5
oklch(93.5% 0.022 14.1)
-
Step 200
200
#F3CFD1
oklch(88.6% 0.041 14.2)
-
Step 300
300
#ECAEB2
oklch(80.9% 0.073 14.5)
-
Step 400
400
#E0818A
oklch(70.8% 0.117 14.4)
-
Step 500
500
#D45D6E
oklch(63.1% 0.15 13.7)
-
Step 600
600
#BF3F56
oklch(55.6% 0.163 13.7)
-
Step 700
700
#A43046
oklch(49% 0.151 13.8)
-
Step 800
800
#86293A
oklch(42.7% 0.127 13.6)
-
Step 900
900 (this color)
#66222D
oklch(35.9% 0.098 13.8)
-
Step 950
950
#3F181D
oklch(27% 0.061 14.2)
#66222D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #32312D | 0.107 |
| Deuteranopia (no green cones) | #433F2B | 0.100 |
| Tritanopia (no blue cones) | #701726 | 0.025 |
| Achromatopsia (no color) | #393939 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66222D
#66222D
oklch(35.9% 0.098 13.8)
- #004746
#004746
oklch(36% 0.062 193.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66222D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.047
- Claret #680018 ΔE 0.047
- Wine Red #7B0323 ΔE 0.051
- Burgundy #610023 ΔE 0.053
- Bordeaux #7B002C ΔE 0.053
- Merlot #730039 ΔE 0.055
- Purple Brown #673A3F ΔE 0.057
- Blood #770001 ΔE 0.058
Use #66222D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.