#673C94
Closest named color: Rebecca Purple (#663399). oklch(45.1% 0.141 303.8), rgb(103, 60, 148).
Aa
White text reads best on this color (7.92:1).
About this color
#673C94 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.141 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.022 away. White text reads best on it, at 7.92:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #673C94 |
| RGB | rgb(103, 60, 148) |
| HSL | hsl(269, 42%, 41%) |
| OKLCH | oklch(45.1% 0.141 303.8) |
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 #673C94 | 7.92:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #673C94 | 2.65:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #673C94 text on white | 7.92:1 | AAA | Lc 87.1 | Fine for body text |
| #673C94 text on black | 2.65:1 | Fails | Lc -15.0 | Dividers and decoration only |
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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD2F2
oklch(88.4% 0.046 303.9)
-
Step 300
300
#CCB4ED
oklch(81% 0.083 303.8)
-
Step 400
400
#B28BE3
oklch(70.7% 0.131 303.6)
-
Step 500
500
#A06BDB
oklch(63.1% 0.168 303.8)
-
Step 600
600
#8B4FC9
oklch(55.6% 0.184 303.6)
-
Step 700
700
#763FAD
oklch(49% 0.17 303.7)
-
Step 800
800 (this color)
#673C94
oklch(45.1% 0.141 303.8)
-
Step 900
900
#4E2F70
oklch(37.6% 0.11 303.6)
-
Step 950
950
#2E1C42
oklch(27% 0.071 303.9)
#673C94 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) | #155097 | 0.112 |
| Deuteranopia (no green cones) | #285192 | 0.101 |
| Tritanopia (no blue cones) | #5F4D62 | 0.103 |
| Achromatopsia (no color) | #515151 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673C94
#673C94
oklch(45.1% 0.141 303.8)
- #495F00
#495F00
oklch(45.1% 0.112 123.8)
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 #673C94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.022
- Dark Slate Blue #483D8B ΔE 0.057
- Blueberry #464196 ΔE 0.058
- Twilight #4E518B ΔE 0.068
- Light Eggplant #894585 ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.082
- Dusk #4E5481 ΔE 0.083
- Grape #7209B7 ΔE 0.087
Use #673C94 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.