#644E5C
Closest named color: Brownish Purple (#76424E). oklch(45.2% 0.036 340.2), rgb(100, 78, 92).
Aa
White text reads best on this color (7.53:1).
About this color
#644E5C is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.036 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.044 away. White text reads best on it, at 7.53:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #644E5C |
| RGB | rgb(100, 78, 92) |
| HSL | hsl(322, 12%, 35%) |
| OKLCH | oklch(45.2% 0.036 340.2) |
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 #644E5C | 7.53:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #644E5C | 2.78:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #644E5C text on white | 7.53:1 | AAA | Lc 86.2 | Fine for body text |
| #644E5C text on black | 2.78:1 | Fails | Lc -15.9 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EB
oklch(93.6% 0.007 340.4)
-
Step 200
200
#DFD6DB
oklch(88.5% 0.012 342.7)
-
Step 300
300
#CBBCC5
oklch(81% 0.021 340.8)
-
Step 400
400
#B099A7
oklch(70.8% 0.033 340.9)
-
Step 500
500
#9C8092
oklch(63.2% 0.043 339.7)
-
Step 600
600
#87697C
oklch(55.7% 0.047 340.4)
-
Step 700
700
#725768
oklch(49% 0.044 340.7)
-
Step 800
800 (this color)
#644E5C
oklch(45.2% 0.036 340.2)
-
Step 900
900
#4C3C46
oklch(37.7% 0.027 340.6)
-
Step 950
950
#2D2329
oklch(27% 0.018 341.7)
#644E5C 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) | #4F525D | 0.036 |
| Deuteranopia (no green cones) | #54565B | 0.035 |
| Tritanopia (no blue cones) | #674E53 | 0.015 |
| Achromatopsia (no color) | #545454 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644E5C
#644E5C
oklch(45.2% 0.036 340.2)
- #445C4F
#445C4F
oklch(45.1% 0.036 160.9)
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 #644E5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- Purple Brown #673A3F ΔE 0.061
- Dark Mauve #874C62 ΔE 0.065
- Dusk #4E5481 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.066
- Slate #516572 ΔE 0.069
- Dim Gray #696969 ΔE 0.078
Use #644E5C 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.