#66283D
Closest named color: Purple Brown (#673A3F). oklch(37.2% 0.092 1.4), rgb(102, 40, 61).
Aa
White text reads best on this color (10.84:1).
About this color
#66283D is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.092 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.046 away. White text reads best on it, at 10.84:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #66283D |
| RGB | rgb(102, 40, 61) |
| HSL | hsl(340, 44%, 28%) |
| OKLCH | oklch(37.2% 0.092 1.4) |
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 #66283D | 10.84:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #66283D | 1.93:1 | Fails | Lc 9.3 | Not readable |
| #66283D text on white | 10.84:1 | AAA | Lc 94.6 | Preferred for body text |
| #66283D text on black | 1.93:1 | Fails | Lc -8.0 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5E9
oklch(93.7% 0.019 1.4)
-
Step 200
200
#F0CFD7
oklch(88.4% 0.038 1.6)
-
Step 300
300
#E7AFBD
oklch(80.9% 0.068 2.1)
-
Step 400
400
#D9829C
oklch(70.6% 0.111 1.1)
-
Step 500
500
#CC6084
oklch(63% 0.142 1)
-
Step 600
600
#B8446D
oklch(55.6% 0.154 1.6)
-
Step 700
700
#9E355B
oklch(49.1% 0.143 1.6)
-
Step 800
800
#802D4B
oklch(42.7% 0.118 1)
-
Step 900
900 (this color)
#66283D
oklch(37.2% 0.092 1.4)
-
Step 950
950
#3D1924
oklch(27% 0.058 2.4)
#66283D 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) | #33363E | 0.102 |
| Deuteranopia (no green cones) | #43423C | 0.094 |
| Tritanopia (no blue cones) | #6E2230 | 0.026 |
| Achromatopsia (no color) | #3D3D3D | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66283D
#66283D
oklch(37.2% 0.092 1.4)
- #004C43
#004C43
oklch(37.4% 0.067 181.5)
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 #66283D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.046
- Merlot #730039 ΔE 0.055
- Bordeaux #7B002C ΔE 0.060
- Wine Red #7B0323 ΔE 0.062
- Wine #80013F ΔE 0.066
- Grape Purple #5D1451 ΔE 0.067
- Velvet #750851 ΔE 0.068
- Claret #680018 ΔE 0.068
Use #66283D 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.