#64458C
Closest named color: Twilight (#4E518B). oklch(45.8% 0.115 302.2), rgb(100, 69, 140).
Aa
White text reads best on this color (7.57:1).
About this color
#64458C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.115 and its hue 302°. 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 7.57:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #64458C |
| RGB | rgb(100, 69, 140) |
| HSL | hsl(266, 34%, 41%) |
| OKLCH | oklch(45.8% 0.115 302.2) |
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 #64458C | 7.57:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #64458C | 2.77:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #64458C text on white | 7.57:1 | AAA | Lc 86.1 | Fine for body text |
| #64458C text on black | 2.77:1 | 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
#DDD4EE
oklch(88.5% 0.037 301.4)
-
Step 300
300
#C8B7E5
oklch(80.9% 0.066 301.8)
-
Step 400
400
#AD90D9
oklch(70.7% 0.108 302)
-
Step 500
500
#9A73CE
oklch(63.2% 0.138 302.4)
-
Step 600
600
#855ABB
oklch(55.7% 0.149 302.3)
-
Step 700
700
#7049A1
oklch(49.1% 0.139 302)
-
Step 800
800 (this color)
#64458C
oklch(45.8% 0.115 302.2)
-
Step 900
900
#4B3469
oklch(37.7% 0.091 302.3)
-
Step 950
950
#2C1F3D
oklch(27% 0.056 302.8)
#64458C 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) | #2F538E | 0.081 |
| Deuteranopia (no green cones) | #37548A | 0.075 |
| Tritanopia (no blue cones) | #5D5262 | 0.087 |
| Achromatopsia (no color) | #545454 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64458C
#64458C
oklch(45.8% 0.115 302.2)
- #4D6000
#4D6000
oklch(45.7% 0.111 122.1)
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 #64458C, 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 0.048
- Dark Slate Blue #483D8B ΔE 0.056
- Blueberry #464196 ΔE 0.057
- Dusk #4E5481 ΔE 0.058
- Light Eggplant #894585 ΔE 0.071
- Dusty Grape #545775 ΔE 0.073
- Dusky Blue #475F94 ΔE 0.078
Use #64458C 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.