#661B46
Closest named color: Grape Purple (#5D1451). oklch(35.9% 0.117 349.3), rgb(102, 27, 70).
Aa
White text reads best on this color (11.60:1).
About this color
#661B46 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.117 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.035 away. White text reads best on it, at 11.60:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.81:1 |
| White text | 11.60:1 |
Values
| HEX | #661B46 |
| RGB | rgb(102, 27, 70) |
| HSL | hsl(326, 58%, 25%) |
| OKLCH | oklch(35.9% 0.117 349.3) |
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 #661B46 | 11.60:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #661B46 | 1.81:1 | Fails | Lc 8.1 | Not readable |
| #661B46 text on white | 11.60:1 | AAA | Lc 95.8 | Preferred for body text |
| #661B46 text on black | 1.81:1 | 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
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F3CDDE
oklch(88.5% 0.048 349.4)
-
Step 300
300
#ECAAC9
oklch(80.9% 0.087 349.4)
-
Step 400
400
#E07AAE
oklch(70.8% 0.14 349.4)
-
Step 500
500
#D4539A
oklch(63.2% 0.178 349.3)
-
Step 600
600
#BF3184
oklch(55.6% 0.194 349.5)
-
Step 700
700
#A42170
oklch(49% 0.181 349.2)
-
Step 800
800
#851F5B
oklch(42.6% 0.149 349.3)
-
Step 900
900 (this color)
#661B46
oklch(35.9% 0.117 349.3)
-
Step 950
950
#3F142C
oklch(26.9% 0.074 348.6)
#661B46 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) | #263047 | 0.129 |
| Deuteranopia (no green cones) | #3B3E44 | 0.116 |
| Tritanopia (no blue cones) | #6E172E | 0.044 |
| Achromatopsia (no color) | #393939 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661B46
#661B46
oklch(35.9% 0.117 349.3)
- #004936
#004936
oklch(36% 0.073 168.4)
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 #661B46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.035
- Merlot #730039 ΔE 0.039
- Velvet #750851 ΔE 0.041
- Rich Purple #720058 ΔE 0.049
- Wine #80013F ΔE 0.057
- Red Purple #820747 ΔE 0.059
- Bordeaux #7B002C ΔE 0.061
- Burgundy #610023 ΔE 0.062
Use #661B46 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.