#673D70
Closest named color: Brownish Purple (#76424E). oklch(43.1% 0.095 320.4), rgb(103, 61, 112).
Aa
White text reads best on this color (8.47:1).
About this color
#673D70 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.095 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.070 away. White text reads best on it, at 8.47:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #673D70 |
| RGB | rgb(103, 61, 112) |
| HSL | hsl(289, 29%, 34%) |
| OKLCH | oklch(43.1% 0.095 320.4) |
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 #673D70 | 8.47:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #673D70 | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #673D70 text on white | 8.47:1 | AAA | Lc 89.0 | Fine for body text |
| #673D70 text on black | 2.47:1 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE7F1
oklch(93.7% 0.016 319.4)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D1B5D7
oklch(80.8% 0.056 320.3)
-
Step 400
400
#BA8EC3
oklch(70.6% 0.09 320.6)
-
Step 500
500
#A872B4
oklch(63.2% 0.113 320.2)
-
Step 600
600
#9359A0
oklch(55.6% 0.124 320.1)
-
Step 700
700
#7D4988
oklch(49.1% 0.114 320.4)
-
Step 800
800 (this color)
#673D70
oklch(43.1% 0.095 320.4)
-
Step 900
900
#53345A
oklch(37.8% 0.074 320.1)
-
Step 950
950
#311E35
oklch(27% 0.049 320.5)
#673D70 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) | #364A72 | 0.085 |
| Deuteranopia (no green cones) | #414E6E | 0.077 |
| Tritanopia (no blue cones) | #684351 | 0.059 |
| Achromatopsia (no color) | #4D4D4D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673D70
#673D70
oklch(43.1% 0.095 320.4)
- #305C28
#305C28
oklch(42.9% 0.095 140.7)
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 #673D70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.070
- Twilight #4E518B ΔE 0.072
- Dusk #4E5481 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.073
- Dusty Grape #545775 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.075
- Light Eggplant #894585 ΔE 0.076
- Purple Brown #673A3F ΔE 0.080
Use #673D70 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.