#644E5D
Closest named color: Brownish Purple (#76424E). oklch(45.2% 0.037 338.2), rgb(100, 78, 93).
Aa
White text reads best on this color (7.52:1).
About this color
#644E5D is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.037 and its hue 338°. 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 7.52:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.78:1 |
| White text | 7.52:1 |
Values
| HEX | #644E5D |
| RGB | rgb(100, 78, 93) |
| HSL | hsl(319, 12%, 35%) |
| OKLCH | oklch(45.2% 0.037 338.2) |
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 #644E5D | 7.52:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #644E5D | 2.78:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #644E5D text on white | 7.52:1 | AAA | Lc 86.1 | Fine for body text |
| #644E5D 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
#DFD6DC
oklch(88.5% 0.013 337.6)
-
Step 300
300
#CBBBC5
oklch(80.8% 0.023 339.7)
-
Step 400
400
#B099A8
oklch(70.8% 0.034 338.9)
-
Step 500
500
#9C7F93
oklch(63% 0.045 337.6)
-
Step 600
600
#87697D
oklch(55.7% 0.048 338.9)
-
Step 700
700
#72576A
oklch(49.1% 0.045 337.4)
-
Step 800
800 (this color)
#644E5D
oklch(45.2% 0.037 338.2)
-
Step 900
900
#4C3C47
oklch(37.7% 0.028 337.8)
-
Step 950
950
#2D232A
oklch(27.1% 0.019 337.2)
#644E5D 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) | #4E525E | 0.037 |
| Deuteranopia (no green cones) | #53565C | 0.036 |
| Tritanopia (no blue cones) | #674E53 | 0.017 |
| Achromatopsia (no color) | #545454 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644E5D
#644E5D
oklch(45.2% 0.037 338.2)
- #445C4E
#445C4E
oklch(45.1% 0.037 158.9)
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 #644E5D, 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 0.045
- Purple Brown #673A3F ΔE 0.061
- Dusk #4E5481 ΔE 0.065
- Dark Mauve #874C62 ΔE 0.065
- YInMn Blue #415A77 ΔE 0.066
- Slate #516572 ΔE 0.069
- Dim Gray #696969 ΔE 0.078
Use #644E5D 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.