#645795
Closest named color: Twilight (#4E518B). oklch(49.7% 0.098 292.1), rgb(100, 87, 149).
Aa
White text reads best on this color (6.28:1).
About this color
#645795 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.098 and its hue 292°. 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 6.28:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.33:1 |
| White text | 6.28:1 |
Values
| HEX | #645795 |
| RGB | rgb(100, 87, 149) |
| HSL | hsl(253, 26%, 46%) |
| OKLCH | oklch(49.7% 0.098 292.1) |
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 #645795 | 6.28:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #645795 | 3.33:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #645795 text on white | 6.28:1 | AA | Lc 81.2 | Fine for body text |
| #645795 text on black | 3.33:1 | AA large text | Lc -20.6 | 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 700.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C1BCDD
oklch(81% 0.046 292.3)
-
Step 400
400
#A198CC
oklch(70.6% 0.076 292.3)
-
Step 500
500
#8B7EBF
oklch(63% 0.097 292.6)
-
Step 600
600
#7567AB
oklch(55.6% 0.104 292.1)
-
Step 700
700 (this color)
#645795
oklch(49.7% 0.098 292.1)
-
Step 800
800
#504677
oklch(42.7% 0.08 292)
-
Step 900
900
#423B60
oklch(37.6% 0.063 291.8)
-
Step 950
950
#272338
oklch(27.1% 0.039 292.3)
#645795 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) | #446197 | 0.050 |
| Deuteranopia (no green cones) | #455F93 | 0.048 |
| Tritanopia (no blue cones) | #59626F | 0.079 |
| Achromatopsia (no color) | #606060 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645795
#645795
oklch(49.7% 0.098 292.1)
- #64671A
#64671A
oklch(49.6% 0.097 111.7)
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 #645795, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.043
- Dusky Blue #475F94 ΔE 0.045
- Dusk #4E5481 ΔE 0.049
- Muted Purple #805B87 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.058
- Dusty Grape #545775 ΔE 0.060
- Dusty Purple #825F87 ΔE 0.064
- Denim #3B638C ΔE 0.066
Use #645795 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.