#673EAA
Closest named color: Rebecca Purple (#663399). oklch(47% 0.165 297.1), rgb(103, 62, 170).
Aa
White text reads best on this color (7.37:1).
About this color
#673EAA is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.165 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.035 away. White text reads best on it, at 7.37:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #673EAA |
| RGB | rgb(103, 62, 170) |
| HSL | hsl(263, 47%, 45%) |
| OKLCH | oklch(47% 0.165 297.1) |
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 #673EAA | 7.37:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #673EAA | 2.84:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #673EAA text on white | 7.37:1 | AAA | Lc 85.2 | Fine for body text |
| #673EAA text on black | 2.84:1 | Fails | Lc -16.8 | 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 700.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD4F4
oklch(88.6% 0.044 296.9)
-
Step 300
300
#C6B6EF
oklch(80.9% 0.081 297.4)
-
Step 400
400
#A98EE6
oklch(70.6% 0.128 297.1)
-
Step 500
500
#9570DF
oklch(63.1% 0.163 296.8)
-
Step 600
600
#8155CC
oklch(55.6% 0.177 297.4)
-
Step 700
700 (this color)
#673EAA
oklch(47% 0.165 297.1)
-
Step 800
800
#59398F
oklch(42.7% 0.137 297.4)
-
Step 900
900
#493272
oklch(37.7% 0.107 297.6)
-
Step 950
950
#2A1E43
oklch(27% 0.067 296.6)
#673EAA 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) | #0056AD | 0.114 |
| Deuteranopia (no green cones) | #0054A8 | 0.114 |
| Tritanopia (no blue cones) | #57566E | 0.128 |
| Achromatopsia (no color) | #565656 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673EAA
#673EAA
oklch(47% 0.165 297.1)
- #576200
#576200
oklch(47% 0.109 117.1)
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 #673EAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Bluey Purple #6241C7 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Blueberry #464196 ΔE 0.065
- Blurple #5539CC ΔE 0.065
- Iris #6258C4 ΔE 0.069
- Grape #7209B7 ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.074
Use #673EAA 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.