#644D5F
Closest named color: Brownish Purple (#76424E). oklch(45.1% 0.041 334), rgb(100, 77, 95).
Aa
White text reads best on this color (7.58:1).
About this color
#644D5F is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.041 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.044 away. White text reads best on it, at 7.58:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #644D5F |
| RGB | rgb(100, 77, 95) |
| HSL | hsl(313, 13%, 35%) |
| OKLCH | oklch(45.1% 0.041 334) |
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 #644D5F | 7.58:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #644D5F | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #644D5F text on white | 7.58:1 | AAA | Lc 86.3 | Fine for body text |
| #644D5F text on black | 2.76:1 | Fails | Lc -15.7 | 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
#EDE8EC
oklch(93.6% 0.008 332.1)
-
Step 200
200
#DFD6DD
oklch(88.5% 0.014 333.1)
-
Step 300
300
#CBBBC7
oklch(80.9% 0.024 334.4)
-
Step 400
400
#B098AB
oklch(70.7% 0.039 333.1)
-
Step 500
500
#9D7F96
oklch(63.2% 0.049 334.4)
-
Step 600
600
#876880
oklch(55.6% 0.053 334.4)
-
Step 700
700
#73566C
oklch(49.1% 0.05 335.1)
-
Step 800
800 (this color)
#644D5F
oklch(45.1% 0.041 334)
-
Step 900
900
#4C3B49
oklch(37.6% 0.033 332.3)
-
Step 950
950
#2D232B
oklch(27.1% 0.021 333.1)
#644D5F 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) | #4D5260 | 0.039 |
| Deuteranopia (no green cones) | #52555E | 0.037 |
| Tritanopia (no blue cones) | #664E53 | 0.021 |
| Achromatopsia (no color) | #545454 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644D5F
#644D5F
oklch(45.1% 0.041 334)
- #445C4B
#445C4B
oklch(45% 0.04 153.7)
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 #644D5F, 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 0.044
- Purple Brown #673A3F ΔE 0.061
- Dusk #4E5481 ΔE 0.062
- Dark Mauve #874C62 ΔE 0.065
- YInMn Blue #415A77 ΔE 0.065
- Slate #516572 ΔE 0.071
- Twilight #4E518B ΔE 0.078
Use #644D5F 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.