#644363
Closest named color: Brownish Purple (#76424E). oklch(43.2% 0.066 327.7), rgb(100, 67, 99).
Aa
White text reads best on this color (8.31:1).
About this color
#644363 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.066 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.048 away. White text reads best on it, at 8.31:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.52:1 |
| White text | 8.31:1 |
Values
| HEX | #644363 |
| RGB | rgb(100, 67, 99) |
| HSL | hsl(302, 20%, 33%) |
| OKLCH | oklch(43.2% 0.066 327.7) |
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 #644363 | 8.31:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #644363 | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #644363 text on white | 8.31:1 | AAA | Lc 88.6 | Fine for body text |
| #644363 text on black | 2.52:1 | Fails | Lc -13.6 | 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
#EEE7EE
oklch(93.5% 0.012 325.7)
-
Step 200
200
#E1D4E0
oklch(88.4% 0.021 328.1)
-
Step 300
300
#CFB8CE
oklch(80.9% 0.04 327.3)
-
Step 400
400
#B693B5
oklch(70.6% 0.063 327.1)
-
Step 500
500
#A478A2
oklch(63% 0.08 328)
-
Step 600
600
#8E618D
oklch(55.6% 0.085 327.4)
-
Step 700
700
#795078
oklch(49.1% 0.08 327.5)
-
Step 800
800 (this color)
#644363
oklch(43.2% 0.066 327.7)
-
Step 900
900
#513850
oklch(37.8% 0.052 327.9)
-
Step 950
950
#2F212F
oklch(27.1% 0.032 326.4)
#644363 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) | #414B64 | 0.061 |
| Deuteranopia (no green cones) | #495062 | 0.057 |
| Tritanopia (no blue cones) | #66464F | 0.037 |
| Achromatopsia (no color) | #4E4E4E | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644363
#644363
oklch(43.2% 0.066 327.7)
- #365A3B
#365A3B
oklch(43.1% 0.066 147.7)
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 #644363, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.048
- Purple Brown #673A3F ΔE 0.057
- Dusty Grape #545775 ΔE 0.060
- Dusk #4E5481 ΔE 0.066
- Dark Mauve #874C62 ΔE 0.074
- Twilight #4E518B ΔE 0.075
- YInMn Blue #415A77 ΔE 0.080
- Dark Slate Blue #483D8B ΔE 0.089
Use #644363 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.