#64316F
Closest named color: Rebecca Purple (#663399). oklch(40.7% 0.115 320.3), rgb(100, 49, 111).
Aa
White text reads best on this color (9.49:1).
About this color
#64316F is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.115 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.069 away. White text reads best on it, at 9.49:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #64316F |
| RGB | rgb(100, 49, 111) |
| HSL | hsl(289, 39%, 31%) |
| OKLCH | oklch(40.7% 0.115 320.3) |
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 #64316F | 9.49:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #64316F | 2.21:1 | Fails | Lc 12.4 | Not readable |
| #64316F text on white | 9.49:1 | AAA | Lc 91.6 | Preferred for body text |
| #64316F text on black | 2.21:1 | Fails | Lc -10.8 | 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 800.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D2E9
oklch(88.6% 0.037 320.4)
-
Step 300
300
#D5B3DC
oklch(80.9% 0.068 320.5)
-
Step 400
400
#BF8ACA
oklch(70.7% 0.108 320.5)
-
Step 500
500
#AE6CBC
oklch(63.2% 0.136 320.4)
-
Step 600
600
#9952A8
oklch(55.7% 0.148 320.4)
-
Step 700
700
#824290
oklch(49.1% 0.137 320.2)
-
Step 800
800 (this color)
#64316F
oklch(40.7% 0.115 320.3)
-
Step 900
900
#56305E
oklch(37.7% 0.089 320.5)
-
Step 950
950
#331D37
oklch(27.1% 0.055 321.3)
#64316F 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) | #264271 | 0.107 |
| Deuteranopia (no green cones) | #36476D | 0.094 |
| Tritanopia (no blue cones) | #653A4B | 0.072 |
| Achromatopsia (no color) | #464646 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64316F
#64316F
oklch(40.7% 0.115 320.3)
- #205814
#205814
oklch(40.8% 0.115 140.5)
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 #64316F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.072
- Grape Purple #5D1451 ΔE 0.074
- Rich Purple #720058 ΔE 0.076
- Velvet #750851 ΔE 0.078
- Purple #800080 ΔE 0.083
- Blueberry #464196 ΔE 0.087
- Brownish Purple #76424E ΔE 0.091
Use #64316F 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.