#661544
Closest named color: Grape Purple (#5D1451). oklch(35.2% 0.123 349.9), rgb(102, 21, 68).
Aa
White text reads best on this color (11.96:1).
About this color
#661544 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.123 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.033 away. White text reads best on it, at 11.96:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.75:1 |
| White text | 11.96:1 |
Values
| HEX | #661544 |
| RGB | rgb(102, 21, 68) |
| HSL | hsl(325, 66%, 24%) |
| OKLCH | oklch(35.2% 0.123 349.9) |
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 #661544 | 11.96:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #661544 | 1.75:1 | Fails | Lc 7.6 | Not readable |
| #661544 text on white | 11.96:1 | AAA | Lc 96.3 | Preferred for body text |
| #661544 text on black | 1.75:1 | 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
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F5CCDE
oklch(88.5% 0.052 350)
-
Step 300
300
#EFA8C9
oklch(80.9% 0.093 349.9)
-
Step 400
400
#E377AE
oklch(70.7% 0.147 349.7)
-
Step 500
500
#D84D9A
oklch(63.1% 0.19 349.7)
-
Step 600
600
#C32884
oklch(55.6% 0.205 349.9)
-
Step 700
700
#A81770
oklch(49.1% 0.191 349.8)
-
Step 800
800
#88185B
oklch(42.6% 0.158 349.7)
-
Step 900
900 (this color)
#661544
oklch(35.2% 0.123 349.9)
-
Step 950
950
#41132C
oklch(27.1% 0.078 349.9)
#661544 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) | #222E45 | 0.138 |
| Deuteranopia (no green cones) | #3A3C42 | 0.122 |
| Tritanopia (no blue cones) | #6E102A | 0.047 |
| Achromatopsia (no color) | #373737 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661544
#661544
oklch(35.2% 0.123 349.9)
- #004635
#004635
oklch(35.1% 0.069 170)
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 #661544, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.033
- Merlot #730039 ΔE 0.034
- Velvet #750851 ΔE 0.039
- Rich Purple #720058 ΔE 0.047
- Wine #80013F ΔE 0.056
- Burgundy #610023 ΔE 0.057
- Bordeaux #7B002C ΔE 0.060
- Red Purple #820747 ΔE 0.060
Use #661544 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.