#643054
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.089 340.2), rgb(100, 48, 84).
Aa
White text reads best on this color (10.03:1).
About this color
#643054 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.089 and its hue 340°. 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 10.03:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #643054 |
| RGB | rgb(100, 48, 84) |
| HSL | hsl(318, 35%, 29%) |
| OKLCH | oklch(39.1% 0.089 340.2) |
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 #643054 | 10.03:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #643054 | 2.09:1 | Fails | Lc 11.0 | Not readable |
| #643054 text on white | 10.03:1 | AAA | Lc 93.0 | Preferred for body text |
| #643054 text on black | 2.09:1 | Fails | Lc -9.5 | 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
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F3E5EE
oklch(93.6% 0.019 338.7)
-
Step 200
200
#EBD0E1
oklch(88.5% 0.037 339.8)
-
Step 300
300
#DFB0CE
oklch(80.8% 0.067 340.2)
-
Step 400
400
#CE86B5
oklch(70.8% 0.107 340.8)
-
Step 500
500
#BF65A3
oklch(63.1% 0.138 340.2)
-
Step 600
600
#AA4A8E
oklch(55.5% 0.15 340.2)
-
Step 700
700
#923B79
oklch(49.2% 0.139 340.2)
-
Step 800
800
#763162
oklch(42.6% 0.115 340.1)
-
Step 900
900 (this color)
#643054
oklch(39.1% 0.089 340.2)
-
Step 950
950
#381A2F
oklch(26.9% 0.057 339.6)
#643054 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) | #323D55 | 0.094 |
| Deuteranopia (no green cones) | #404553 | 0.084 |
| Tritanopia (no blue cones) | #69313E | 0.040 |
| Achromatopsia (no color) | #424242 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643054
#643054
oklch(39.1% 0.089 340.2)
- #005335
#005335
oklch(39% 0.087 160.6)
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 #643054, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Grape Purple #5D1451 ΔE 0.063
- Velvet #750851 ΔE 0.066
- Brownish Purple #76424E ΔE 0.067
- Rich Purple #720058 ΔE 0.074
- Merlot #730039 ΔE 0.076
- Red Purple #820747 ΔE 0.077
- Wine #80013F ΔE 0.080
Use #643054 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.