#66322D
Closest named color: Purple Brown (#673A3F). oklch(38.4% 0.076 26.9), rgb(102, 50, 45).
Aa
White text reads best on this color (10.19:1).
About this color
#66322D is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.076 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 10.19:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.05:1 |
| White text | 10.19:1 |
Values
| HEX | #66322D |
| RGB | rgb(102, 50, 45) |
| HSL | hsl(5, 39%, 29%) |
| OKLCH | oklch(38.4% 0.076 26.9) |
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 #66322D | 10.19:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #66322D | 2.05:1 | Fails | Lc 10.6 | Not readable |
| #66322D text on white | 10.19:1 | AAA | Lc 93.4 | Preferred for body text |
| #66322D text on black | 2.05:1 | Fails | Lc -9.1 | 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
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EDD2CE
oklch(88.5% 0.031 27.8)
-
Step 300
300
#E3B3AD
oklch(80.8% 0.057 26.6)
-
Step 400
400
#D38A82
oklch(70.6% 0.091 26.4)
-
Step 500
500
#C66C63
oklch(63.1% 0.116 26.8)
-
Step 600
600
#B1524A
oklch(55.6% 0.126 26.8)
-
Step 700
700
#98423B
oklch(49.1% 0.117 26.9)
-
Step 800
800
#7C3731
oklch(42.8% 0.097 27)
-
Step 900
900 (this color)
#66322D
oklch(38.4% 0.076 26.9)
-
Step 950
950
#3B1D19
oklch(27.1% 0.048 28.6)
#66322D 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) | #3E3A2C | 0.079 |
| Deuteranopia (no green cones) | #4B452C | 0.072 |
| Tritanopia (no blue cones) | #6F2A31 | 0.027 |
| Achromatopsia (no color) | #414141 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66322D
#66322D
oklch(38.4% 0.076 26.9)
- #004D55
#004D55
oklch(38.4% 0.066 206.8)
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 #66322D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Chestnut #742802 ΔE 0.047
- Reddy Brown #6E1005 ΔE 0.064
- Brownish Purple #76424E ΔE 0.067
- Wine Red #7B0323 ΔE 0.074
- Mud Brown #60460F ΔE 0.075
- Blood #770001 ΔE 0.076
- Red Brown #8B2E16 ΔE 0.078
Use #66322D 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.