#64618B
Closest named color: Dusky Blue (#475F94). oklch(51.2% 0.066 287.1), rgb(100, 97, 139).
Aa
White text reads best on this color (5.79:1).
About this color
#64618B is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.066 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.044 away. White text reads best on it, at 5.79:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #64618B |
| RGB | rgb(100, 97, 139) |
| HSL | hsl(244, 18%, 46%) |
| OKLCH | oklch(51.2% 0.066 287.1) |
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 #64618B | 5.79:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #64618B | 3.62:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #64618B text on white | 5.79:1 | AA | Lc 79.0 | Fine for body text |
| #64618B text on black | 3.62:1 | AA large text | Lc -22.8 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D8E5
oklch(88.6% 0.018 286)
-
Step 300
300
#BFBED5
oklch(81% 0.032 287.7)
-
Step 400
400
#9E9CBF
oklch(70.6% 0.051 287.6)
-
Step 500
500
#8684AF
oklch(63.1% 0.064 286.5)
-
Step 600
600
#706D9B
oklch(55.6% 0.071 286.8)
-
Step 700
700 (this color)
#64618B
oklch(51.2% 0.066 287.1)
-
Step 800
800
#4D4A6C
oklch(42.6% 0.056 287.8)
-
Step 900
900
#403E57
oklch(37.7% 0.042 287.8)
-
Step 950
950
#252533
oklch(27.1% 0.026 284.5)
#64618B 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) | #56668D | 0.023 |
| Deuteranopia (no green cones) | #55648A | 0.023 |
| Tritanopia (no blue cones) | #5B6870 | 0.056 |
| Achromatopsia (no color) | #656565 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64618B
#64618B
oklch(51.2% 0.066 287.1)
- #6B6A3B
#6B6A3B
oklch(51.4% 0.067 107.5)
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 #64618B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.044
- Muted Purple #805B87 ΔE 0.047
- Dusty Purple #825F87 ΔE 0.049
- Dusty Grape #545775 ΔE 0.050
- Denim #3B638C ΔE 0.054
- Dusk #4E5481 ΔE 0.054
- Slate #516572 ΔE 0.055
- Metallic Blue #4F738E ΔE 0.056
Use #64618B 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.