#644359
Closest named color: Brownish Purple (#76424E). oklch(42.8% 0.056 339.7), rgb(100, 67, 89).
Aa
White text reads best on this color (8.43:1).
About this color
#644359 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.056 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.038 away. White text reads best on it, at 8.43:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.48:1 |
| White text | 8.43:1 |
Values
| HEX | #644359 |
| RGB | rgb(100, 67, 89) |
| HSL | hsl(320, 20%, 33%) |
| OKLCH | oklch(42.8% 0.056 339.7) |
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 #644359 | 8.43:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #644359 | 2.48:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #644359 text on white | 8.43:1 | AAA | Lc 89.0 | Fine for body text |
| #644359 text on black | 2.48:1 | Fails | Lc -13.2 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EEE7EC
oklch(93.5% 0.01 335.5)
-
Step 200
200
#E2D5DD
oklch(88.6% 0.018 340)
-
Step 300
300
#D0B9C7
oklch(80.9% 0.032 340.7)
-
Step 400
400
#B894AB
oklch(70.7% 0.053 340)
-
Step 500
500
#A57A96
oklch(63.1% 0.066 340)
-
Step 600
600
#906281
oklch(55.5% 0.073 339.4)
-
Step 700
700
#7B516D
oklch(49.1% 0.069 339.9)
-
Step 800
800 (this color)
#644359
oklch(42.8% 0.056 339.7)
-
Step 900
900
#513849
oklch(37.5% 0.044 338.9)
-
Step 950
950
#30212B
oklch(27% 0.029 339.3)
#644359 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) | #444A5A | 0.057 |
| Deuteranopia (no green cones) | #4C4F58 | 0.052 |
| Tritanopia (no blue cones) | #68444B | 0.025 |
| Achromatopsia (no color) | #4D4D4D | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644359
#644359
oklch(42.8% 0.056 339.7)
- #325944
#325944
oklch(42.8% 0.057 159.2)
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 #644359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.038
- Purple Brown #673A3F ΔE 0.042
- Dusty Grape #545775 ΔE 0.065
- Dark Mauve #874C62 ΔE 0.074
- Dusk #4E5481 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.083
- YInMn Blue #415A77 ΔE 0.084
- Twilight #4E518B ΔE 0.088
Use #644359 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.