#673678
Closest named color: Rebecca Purple (#663399). oklch(42.4% 0.117 316.7), rgb(103, 54, 120).
Aa
White text reads best on this color (8.83:1).
About this color
#673678 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.056 away. White text reads best on it, at 8.83:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #673678 |
| RGB | rgb(103, 54, 120) |
| HSL | hsl(285, 38%, 34%) |
| OKLCH | oklch(42.4% 0.117 316.7) |
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 #673678 | 8.83:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #673678 | 2.37:1 | Fails | Lc 14.1 | Not readable |
| #673678 text on white | 8.83:1 | AAA | Lc 89.9 | Fine for body text |
| #673678 text on black | 2.37:1 | Fails | Lc -12.4 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E4D2EA
oklch(88.6% 0.038 317.7)
-
Step 300
300
#D3B3DF
oklch(80.9% 0.07 316.8)
-
Step 400
400
#BC8BCE
oklch(70.7% 0.109 316.7)
-
Step 500
500
#AB6CC1
oklch(63.1% 0.14 316.9)
-
Step 600
600
#9652AE
oklch(55.6% 0.153 316.6)
-
Step 700
700
#804295
oklch(49.1% 0.142 316.9)
-
Step 800
800 (this color)
#673678
oklch(42.4% 0.117 316.7)
-
Step 900
900
#553061
oklch(37.7% 0.092 317.4)
-
Step 950
950
#321D39
oklch(27.1% 0.057 317.3)
#673678 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) | #28477A | 0.105 |
| Deuteranopia (no green cones) | #374C76 | 0.095 |
| Tritanopia (no blue cones) | #664051 | 0.077 |
| Achromatopsia (no color) | #4A4A4A | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673678
#673678
oklch(42.4% 0.117 316.7)
- #2C5C0F
#2C5C0F
oklch(42.5% 0.117 136.7)
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 #673678, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.065
- Blueberry #464196 ΔE 0.078
- Twilight #4E518B ΔE 0.079
- Light Eggplant #894585 ΔE 0.080
- Purple #800080 ΔE 0.082
- Dusk #4E5481 ΔE 0.085
- Rich Purple #720058 ΔE 0.089
Use #673678 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.