#673377
Closest named color: Rebecca Purple (#663399). oklch(41.9% 0.122 317.7), rgb(103, 51, 119).
Aa
White text reads best on this color (9.06:1).
About this color
#673377 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.122 and its hue 318°. 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 9.06:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #673377 |
| RGB | rgb(103, 51, 119) |
| HSL | hsl(286, 40%, 33%) |
| OKLCH | oklch(41.9% 0.122 317.7) |
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 #673377 | 9.06:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #673377 | 2.31:1 | Fails | Lc 13.5 | Not readable |
| #673377 text on white | 9.06:1 | AAA | Lc 90.5 | Preferred for body text |
| #673377 text on black | 2.31:1 | Fails | Lc -11.8 | 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
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E4D1EB
oklch(88.4% 0.041 317)
-
Step 300
300
#D4B3DF
oklch(80.9% 0.071 317.6)
-
Step 400
400
#BE89CF
oklch(70.6% 0.115 317.8)
-
Step 500
500
#AD6AC2
oklch(63.1% 0.146 317.8)
-
Step 600
600
#9850AE
oklch(55.6% 0.157 317.8)
-
Step 700
700
#824096
oklch(49.1% 0.147 317.8)
-
Step 800
800 (this color)
#673377
oklch(41.9% 0.122 317.7)
-
Step 900
900
#562F62
oklch(37.7% 0.095 317.8)
-
Step 950
950
#321C39
oklch(26.9% 0.06 317.7)
#673377 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) | #244579 | 0.112 |
| Deuteranopia (no green cones) | #364A75 | 0.098 |
| Tritanopia (no blue cones) | #673D50 | 0.077 |
| Achromatopsia (no color) | #494949 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673377
#673377
oklch(41.9% 0.122 317.7)
- #265B0A
#265B0A
oklch(41.9% 0.122 137.8)
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 #673377, 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 0.067
- Purple #800080 ΔE 0.077
- Blueberry #464196 ΔE 0.081
- Rich Purple #720058 ΔE 0.084
- Light Eggplant #894585 ΔE 0.084
- Twilight #4E518B ΔE 0.085
- Velvet #750851 ΔE 0.086
Use #673377 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.