#64458B
Closest named color: Twilight (#4E518B). oklch(45.7% 0.114 302.6), rgb(100, 69, 139).
Aa
White text reads best on this color (7.59:1).
About this color
#64458B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.114 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.046 away. White text reads best on it, at 7.59:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #64458B |
| RGB | rgb(100, 69, 139) |
| HSL | hsl(267, 34%, 41%) |
| OKLCH | oklch(45.7% 0.114 302.6) |
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 #64458B | 7.59:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #64458B | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #64458B text on white | 7.59:1 | AAA | Lc 86.2 | Fine for body text |
| #64458B text on black | 2.76:1 | Fails | Lc -15.9 | Dividers and decoration only |
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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED4EE
oklch(88.6% 0.037 303.1)
-
Step 300
300
#C9B7E5
oklch(81% 0.067 302.8)
-
Step 400
400
#AD90D8
oklch(70.6% 0.107 302.2)
-
Step 500
500
#9A73CD
oklch(63.1% 0.136 302.7)
-
Step 600
600
#855ABA
oklch(55.7% 0.148 302.5)
-
Step 700
700
#7149A0
oklch(49.1% 0.138 302.9)
-
Step 800
800 (this color)
#64458B
oklch(45.7% 0.114 302.6)
-
Step 900
900
#4B3468
oklch(37.6% 0.089 302.8)
-
Step 950
950
#2C1F3D
oklch(27% 0.056 302.8)
#64458B 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) | #30538D | 0.081 |
| Deuteranopia (no green cones) | #385489 | 0.075 |
| Tritanopia (no blue cones) | #5D5261 | 0.087 |
| Achromatopsia (no color) | #545454 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64458B
#64458B
oklch(45.7% 0.114 302.6)
- #4C6000
#4C6000
oklch(45.6% 0.111 122.6)
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 #64458B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.046
- Rebecca Purple #663399 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.056
- Dusk #4E5481 ΔE 0.057
- Blueberry #464196 ΔE 0.057
- Light Eggplant #894585 ΔE 0.071
- Dusty Grape #545775 ΔE 0.072
- Dusky Blue #475F94 ΔE 0.078
Use #64458B 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.