#673F64
Closest named color: Brownish Purple (#76424E). oklch(42.9% 0.078 329.5), rgb(103, 63, 100).
Aa
White text reads best on this color (8.49:1).
About this color
#673F64 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.078 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.050 away. White text reads best on it, at 8.49:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #673F64 |
| RGB | rgb(103, 63, 100) |
| HSL | hsl(305, 24%, 33%) |
| OKLCH | oklch(42.9% 0.078 329.5) |
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 #673F64 | 8.49:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #673F64 | 2.47:1 | Fails | Lc 14.9 | Not readable |
| #673F64 text on white | 8.49:1 | AAA | Lc 89.1 | Fine for body text |
| #673F64 text on black | 2.47:1 | Fails | Lc -13.1 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D3E1
oklch(88.4% 0.026 329.8)
-
Step 300
300
#D2B7CF
oklch(81% 0.045 329.6)
-
Step 400
400
#BB91B7
oklch(70.8% 0.072 329.5)
-
Step 500
500
#A975A5
oklch(63.2% 0.093 329.3)
-
Step 600
600
#945D90
oklch(55.7% 0.1 329.4)
-
Step 700
700
#7E4C7A
oklch(49.1% 0.094 329.8)
-
Step 800
800 (this color)
#673F64
oklch(42.9% 0.078 329.5)
-
Step 900
900
#543551
oklch(37.7% 0.062 330.2)
-
Step 950
950
#311F30
oklch(26.9% 0.04 328.5)
#673F64 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) | #3D4965 | 0.074 |
| Deuteranopia (no green cones) | #474F63 | 0.069 |
| Tritanopia (no blue cones) | #6A424D | 0.043 |
| Achromatopsia (no color) | #4D4D4D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673F64
#673F64
oklch(42.9% 0.078 329.5)
- #2D5B38
#2D5B38
oklch(42.8% 0.077 149.9)
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 #673F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.050
- Purple Brown #673A3F ΔE 0.059
- Dusty Grape #545775 ΔE 0.070
- Dusk #4E5481 ΔE 0.074
- Dark Mauve #874C62 ΔE 0.075
- Twilight #4E518B ΔE 0.080
- Light Eggplant #894585 ΔE 0.085
- Dark Slate Blue #483D8B ΔE 0.088
Use #673F64 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.