#673571
Closest named color: Rebecca Purple (#663399). oklch(41.8% 0.111 320.7), rgb(103, 53, 113).
Aa
White text reads best on this color (9.03:1).
About this color
#673571 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.111 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.067 away. White text reads best on it, at 9.03:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #673571 |
| RGB | rgb(103, 53, 113) |
| HSL | hsl(290, 36%, 33%) |
| OKLCH | oklch(41.8% 0.111 320.7) |
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 #673571 | 9.03:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #673571 | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #673571 text on white | 9.03:1 | AAA | Lc 90.4 | Preferred for body text |
| #673571 text on black | 2.32:1 | Fails | Lc -11.9 | 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
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E4D2E8
oklch(88.5% 0.035 320.1)
-
Step 300
300
#D4B3DB
oklch(80.8% 0.066 320.4)
-
Step 400
400
#BE8BC8
oklch(70.7% 0.103 320.8)
-
Step 500
500
#AD6CBA
oklch(63% 0.133 320.8)
-
Step 600
600
#9853A6
oklch(55.6% 0.144 320.7)
-
Step 700
700
#82438E
oklch(49.1% 0.134 321)
-
Step 800
800 (this color)
#673571
oklch(41.8% 0.111 320.7)
-
Step 900
900
#56315D
oklch(37.8% 0.085 321.1)
-
Step 950
950
#321D37
oklch(27% 0.055 319.7)
#673571 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) | #2B4573 | 0.103 |
| Deuteranopia (no green cones) | #3A4B6F | 0.093 |
| Tritanopia (no blue cones) | #683D4E | 0.068 |
| Achromatopsia (no color) | #494949 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673571
#673571
oklch(41.8% 0.111 320.7)
- #255B1B
#255B1B
oklch(42% 0.111 140.7)
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 #673571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.072
- Velvet #750851 ΔE 0.083
- Rich Purple #720058 ΔE 0.083
- Brownish Purple #76424E ΔE 0.083
- Light Eggplant #894585 ΔE 0.084
- Grape Purple #5D1451 ΔE 0.084
- Purple #800080 ΔE 0.084
Use #673571 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.