#64497D
Closest named color: Twilight (#4E518B). oklch(45.6% 0.088 307.1), rgb(100, 73, 125).
Aa
White text reads best on this color (7.52:1).
About this color
#64497D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.088 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.043 away. White text reads best on it, at 7.52:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.79:1 |
| White text | 7.52:1 |
Values
| HEX | #64497D |
| RGB | rgb(100, 73, 125) |
| HSL | hsl(271, 26%, 39%) |
| OKLCH | oklch(45.6% 0.088 307.1) |
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 #64497D | 7.52:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #64497D | 2.79:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #64497D text on white | 7.52:1 | AAA | Lc 86.0 | Fine for body text |
| #64497D text on black | 2.79:1 | Fails | Lc -16.0 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED5E8
oklch(88.6% 0.027 307)
-
Step 300
300
#C9B8DB
oklch(80.8% 0.052 307.1)
-
Step 400
400
#AE93C9
oklch(70.6% 0.083 307.2)
-
Step 500
500
#9A78BB
oklch(63.1% 0.105 306.9)
-
Step 600
600
#8560A7
oklch(55.6% 0.114 307.1)
-
Step 700
700
#714F8F
oklch(49.2% 0.106 307.4)
-
Step 800
800 (this color)
#64497D
oklch(45.6% 0.088 307.1)
-
Step 900
900
#4B375E
oklch(37.6% 0.069 306.9)
-
Step 950
950
#2C2137
oklch(27.1% 0.042 306.7)
#64497D 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) | #3E537F | 0.062 |
| Deuteranopia (no green cones) | #44557C | 0.058 |
| Tritanopia (no blue cones) | #60515D | 0.064 |
| Achromatopsia (no color) | #545454 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64497D
#64497D
oklch(45.6% 0.088 307.1)
- #4A6026
#4A6026
oklch(45.7% 0.088 126.9)
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 #64497D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.043
- Dusk #4E5481 ΔE 0.044
- Dusty Grape #545775 ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.068
- Light Eggplant #894585 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.072
- Blueberry #464196 ΔE 0.073
- Dusky Blue #475F94 ΔE 0.073
Use #64497D 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.