#643459
Closest named color: Purple Brown (#673A3F). oklch(40% 0.086 336.3), rgb(100, 52, 89).
Aa
White text reads best on this color (9.64:1).
About this color
#643459 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.086 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.052 away. White text reads best on it, at 9.64:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.64:1 |
Values
| HEX | #643459 |
| RGB | rgb(100, 52, 89) |
| HSL | hsl(314, 32%, 30%) |
| OKLCH | oklch(40% 0.086 336.3) |
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 #643459 | 9.64:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #643459 | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #643459 text on white | 9.64:1 | AAA | Lc 92.1 | Preferred for body text |
| #643459 text on black | 2.17:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F2E5EF
oklch(93.5% 0.019 333.5)
-
Step 200
200
#E9D1E2
oklch(88.5% 0.035 336.2)
-
Step 300
300
#DCB1D0
oklch(80.8% 0.064 336.4)
-
Step 400
400
#CA87B9
oklch(70.7% 0.105 336.4)
-
Step 500
500
#BA68A7
oklch(63.1% 0.131 336.3)
-
Step 600
600
#A54E92
oklch(55.6% 0.142 336.4)
-
Step 700
700
#8E3E7D
oklch(49.2% 0.134 336.3)
-
Step 800
800
#733465
oklch(42.7% 0.11 336.6)
-
Step 900
900 (this color)
#643459
oklch(40% 0.086 336.3)
-
Step 950
950
#371B30
oklch(27% 0.055 337)
#643459 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) | #35405A | 0.087 |
| Deuteranopia (no green cones) | #414758 | 0.079 |
| Tritanopia (no blue cones) | #683642 | 0.042 |
| Achromatopsia (no color) | #454545 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643459
#643459
oklch(40% 0.086 336.3)
- #135534
#135534
oklch(40% 0.086 156.6)
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 #643459, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Brownish Purple #76424E ΔE 0.062
- Grape Purple #5D1451 ΔE 0.071
- Velvet #750851 ΔE 0.073
- Rich Purple #720058 ΔE 0.080
- Red Purple #820747 ΔE 0.083
- Merlot #730039 ΔE 0.086
- Wine #80013F ΔE 0.087
Use #643459 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.