#644766
Closest named color: Brownish Purple (#76424E). oklch(44.1% 0.062 324.4), rgb(100, 71, 102).
Aa
White text reads best on this color (7.96:1).
About this color
#644766 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.062 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.049 away. White text reads best on it, at 7.96:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #644766 |
| RGB | rgb(100, 71, 102) |
| HSL | hsl(296, 18%, 34%) |
| OKLCH | oklch(44.1% 0.062 324.4) |
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 #644766 | 7.96:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #644766 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #644766 text on white | 7.96:1 | AAA | Lc 87.6 | Fine for body text |
| #644766 text on black | 2.63:1 | Fails | Lc -14.6 | Not readable |
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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#E0D5E1
oklch(88.5% 0.02 323.2)
-
Step 300
300
#CDB9CE
oklch(80.9% 0.036 324.5)
-
Step 400
400
#B395B5
oklch(70.7% 0.057 324.2)
-
Step 500
500
#A07AA3
oklch(63% 0.074 324)
-
Step 600
600
#8B638E
oklch(55.6% 0.08 324.2)
-
Step 700
700
#765278
oklch(49.1% 0.074 324.8)
-
Step 800
800 (this color)
#644766
oklch(44.1% 0.062 324.4)
-
Step 900
900
#4E3950
oklch(37.7% 0.047 323.6)
-
Step 950
950
#2E212F
oklch(26.9% 0.031 324)
#644766 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) | #444F67 | 0.055 |
| Deuteranopia (no green cones) | #4B5265 | 0.051 |
| Tritanopia (no blue cones) | #654A52 | 0.037 |
| Achromatopsia (no color) | #515151 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644766
#644766
oklch(44.1% 0.062 324.4)
- #3D5C3D
#3D5C3D
oklch(44.1% 0.062 144.4)
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 #644766, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.049
- Dusty Grape #545775 ΔE 0.050
- Dusk #4E5481 ΔE 0.058
- Purple Brown #673A3F ΔE 0.063
- Twilight #4E518B ΔE 0.068
- Dark Mauve #874C62 ΔE 0.069
- YInMn Blue #415A77 ΔE 0.072
- Dull Purple #84597E ΔE 0.084
Use #644766 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.