#663148
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.081 354.2), rgb(102, 49, 72).
Aa
White text reads best on this color (10.01:1).
About this color
#663148 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.081 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.033 away. White text reads best on it, at 10.01:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.01:1 |
Values
| HEX | #663148 |
| RGB | rgb(102, 49, 72) |
| HSL | hsl(334, 35%, 30%) |
| OKLCH | oklch(39.1% 0.081 354.2) |
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 #663148 | 10.01:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #663148 | 2.09:1 | Fails | Lc 11.0 | Not readable |
| #663148 text on white | 10.01:1 | AAA | Lc 92.9 | Preferred for body text |
| #663148 text on black | 2.09:1 | Fails | Lc -9.5 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F4E5EA
oklch(93.5% 0.018 355.1)
-
Step 200
200
#ECD0DA
oklch(88.4% 0.034 354.2)
-
Step 300
300
#E1B1C3
oklch(80.9% 0.06 354.1)
-
Step 400
400
#D187A5
oklch(70.8% 0.098 354)
-
Step 500
500
#C3678E
oklch(63.1% 0.125 354.5)
-
Step 600
600
#AE4D78
oklch(55.7% 0.135 354.6)
-
Step 700
700
#953D65
oklch(49.1% 0.126 354.4)
-
Step 800
800
#793353
oklch(42.7% 0.105 353.8)
-
Step 900
900 (this color)
#663148
oklch(39.1% 0.081 354.2)
-
Step 950
950
#3A1B28
oklch(27.1% 0.052 354.6)
#663148 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) | #383C49 | 0.088 |
| Deuteranopia (no green cones) | #464647 | 0.081 |
| Tritanopia (no blue cones) | #6D2E39 | 0.027 |
| Achromatopsia (no color) | #424242 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #663148
#663148
oklch(39.1% 0.081 354.2)
- #005242
#005242
oklch(39.1% 0.075 173.7)
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 #663148, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.033
- Brownish Purple #76424E ΔE 0.058
- Merlot #730039 ΔE 0.072
- Velvet #750851 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.075
- Wine #80013F ΔE 0.076
- Red Purple #820747 ΔE 0.076
- Bordeaux #7B002C ΔE 0.077
Use #663148 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.