#661A4B
Closest named color: Grape Purple (#5D1451). oklch(36% 0.121 345.3), rgb(102, 26, 75).
Aa
White text reads best on this color (11.57:1).
About this color
#661A4B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.121 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.029 away. White text reads best on it, at 11.57:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.81:1 |
| White text | 11.57:1 |
Values
| HEX | #661A4B |
| RGB | rgb(102, 26, 75) |
| HSL | hsl(321, 59%, 25%) |
| OKLCH | oklch(36% 0.121 345.3) |
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 #661A4B | 11.57:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #661A4B | 1.81:1 | Fails | Lc 8.2 | Not readable |
| #661A4B text on white | 11.57:1 | AAA | Lc 95.7 | Preferred for body text |
| #661A4B 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
#F8E3EE
oklch(93.6% 0.027 344.6)
-
Step 200
200
#F3CCE1
oklch(88.5% 0.052 344.6)
-
Step 300
300
#ECA9CE
oklch(80.9% 0.091 345.1)
-
Step 400
400
#DF78B5
oklch(70.6% 0.146 345)
-
Step 500
500
#D351A2
oklch(63.1% 0.185 345.3)
-
Step 600
600
#BE2D8D
oklch(55.5% 0.202 345.2)
-
Step 700
700
#A41E78
oklch(49.2% 0.188 345.4)
-
Step 800
800
#851C62
oklch(42.7% 0.156 345)
-
Step 900
900 (this color)
#661A4B
oklch(36% 0.121 345.3)
-
Step 950
950
#3F142F
oklch(27% 0.076 344.8)
#661A4B 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) | #23314C | 0.134 |
| Deuteranopia (no green cones) | #3A3E49 | 0.118 |
| Tritanopia (no blue cones) | #6D1930 | 0.050 |
| Achromatopsia (no color) | #393939 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661A4B
#661A4B
oklch(36% 0.121 345.3)
- #004933
#004933
oklch(35.9% 0.075 165.2)
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 #661A4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.029
- Velvet #750851 ΔE 0.036
- Rich Purple #720058 ΔE 0.042
- Merlot #730039 ΔE 0.043
- Wine #80013F ΔE 0.059
- Red Purple #820747 ΔE 0.060
- Bordeaux #7B002C ΔE 0.067
- Burgundy #610023 ΔE 0.069
Use #661A4B 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.