#661548
Closest named color: Grape Purple (#5D1451). oklch(35.4% 0.126 346.9), rgb(102, 21, 72).
Aa
White text reads best on this color (11.89:1).
About this color
#661548 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.126 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.028 away. White text reads best on it, at 11.89:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.76:1 |
| White text | 11.89:1 |
Values
| HEX | #661548 |
| RGB | rgb(102, 21, 72) |
| HSL | hsl(322, 66%, 24%) |
| OKLCH | oklch(35.4% 0.126 346.9) |
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 #661548 | 11.89:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #661548 | 1.76:1 | Fails | Lc 7.7 | Not readable |
| #661548 text on white | 11.89:1 | AAA | Lc 96.2 | Preferred for body text |
| #661548 text on black | 1.76:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F4CCE0
oklch(88.5% 0.052 346.6)
-
Step 300
300
#EEA8CC
oklch(80.9% 0.094 347.2)
-
Step 400
400
#E276B3
oklch(70.6% 0.151 346.7)
-
Step 500
500
#D74DA0
oklch(63.2% 0.192 346.9)
-
Step 600
600
#C2278B
oklch(55.7% 0.209 346.8)
-
Step 700
700
#A71576
oklch(49.1% 0.195 346.8)
-
Step 800
800
#881760
oklch(42.8% 0.162 346.9)
-
Step 900
900 (this color)
#661548
oklch(35.4% 0.126 346.9)
-
Step 950
950
#40122E
oklch(26.9% 0.08 346.3)
#661548 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) | #212E49 | 0.139 |
| Deuteranopia (no green cones) | #393C46 | 0.122 |
| Tritanopia (no blue cones) | #6E122C | 0.052 |
| Achromatopsia (no color) | #373737 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661548
#661548
oklch(35.4% 0.126 346.9)
- #004733
#004733
oklch(35.3% 0.073 166.8)
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 #661548, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.028
- Velvet #750851 ΔE 0.036
- Merlot #730039 ΔE 0.038
- Rich Purple #720058 ΔE 0.041
- Wine #80013F ΔE 0.058
- Red Purple #820747 ΔE 0.060
- Burgundy #610023 ΔE 0.063
- Bordeaux #7B002C ΔE 0.065
Use #661548 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.