#64628B
Closest named color: Dusky Blue (#475F94). oklch(51.5% 0.064 286.1), rgb(100, 98, 139).
Aa
White text reads best on this color (5.73:1).
About this color
#64628B is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.064 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.045 away. White text reads best on it, at 5.73:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #64628B |
| RGB | rgb(100, 98, 139) |
| HSL | hsl(243, 17%, 46%) |
| OKLCH | oklch(51.5% 0.064 286.1) |
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 #64628B | 5.73:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #64628B | 3.66:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #64628B text on white | 5.73:1 | AA | Lc 78.7 | Fine for body text |
| #64628B text on black | 3.66:1 | AA large text | Lc -23.1 | 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
#D8D8E4
oklch(88.6% 0.016 286.1)
-
Step 300
300
#BEBED4
oklch(80.8% 0.031 285.7)
-
Step 400
400
#9D9DBF
oklch(70.8% 0.049 285.1)
-
Step 500
500
#8684AF
oklch(63.1% 0.064 286.5)
-
Step 600
600
#706D9A
oklch(55.5% 0.069 287)
-
Step 700
700 (this color)
#64628B
oklch(51.5% 0.064 286.1)
-
Step 800
800
#4C4B6B
oklch(42.7% 0.053 285.4)
-
Step 900
900
#3F3E57
oklch(37.6% 0.042 286)
-
Step 950
950
#252533
oklch(27.1% 0.026 284.5)
#64628B 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) | #57678D | 0.022 |
| Deuteranopia (no green cones) | #56658A | 0.022 |
| Tritanopia (no blue cones) | #5B6970 | 0.056 |
| Achromatopsia (no color) | #666666 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64628B
#64628B
oklch(51.5% 0.064 286.1)
- #6C6A3D
#6C6A3D
oklch(51.5% 0.064 106.2)
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 #64628B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.045
- Muted Purple #805B87 ΔE 0.047
- Dusty Purple #825F87 ΔE 0.049
- Dusty Grape #545775 ΔE 0.051
- Metallic Blue #4F738E ΔE 0.053
- Slate #516572 ΔE 0.053
- Denim #3B638C ΔE 0.054
- Dusk #4E5481 ΔE 0.056
Use #64628B 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.