#683DB9
Closest named color: Bluey Purple (#6241C7). oklch(48.1% 0.185 294.3), rgb(104, 61, 185).
Aa
White text reads best on this color (7.10:1).
About this color
#683DB9 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.185 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.026 away. White text reads best on it, at 7.10:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #683DB9 |
| RGB | rgb(104, 61, 185) |
| HSL | hsl(261, 50%, 48%) |
| OKLCH | oklch(48.1% 0.185 294.3) |
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 #683DB9 | 7.10:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #683DB9 | 2.95:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #683DB9 text on white | 7.10:1 | AAA | Lc 84.0 | Fine for body text |
| #683DB9 text on black | 2.95:1 | Fails | Lc -17.9 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD3F7
oklch(88.4% 0.05 294.3)
-
Step 300
300
#C4B6F5
oklch(81% 0.089 294.5)
-
Step 400
400
#A78DF0
oklch(70.7% 0.143 294.6)
-
Step 500
500
#926DEB
oklch(63.1% 0.183 294.1)
-
Step 600
600
#7E51D9
oklch(55.6% 0.198 294.3)
-
Step 700
700 (this color)
#683DB9
oklch(48.1% 0.185 294.3)
-
Step 800
800
#573698
oklch(42.7% 0.153 294.6)
-
Step 900
900
#473079
oklch(37.6% 0.119 294.5)
-
Step 950
950
#291D47
oklch(26.9% 0.076 293.9)
#683DB9 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) | #0059BD | 0.114 |
| Deuteranopia (no green cones) | #0056B6 | 0.114 |
| Tritanopia (no blue cones) | #525B76 | 0.145 |
| Achromatopsia (no color) | #585858 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683DB9
#683DB9
oklch(48.1% 0.185 294.3)
- #5D6400
#5D6400
oklch(48.1% 0.108 114.5)
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 #683DB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.026
- Blue With A Hint Of Purple #533CC6 ΔE 0.043
- Blurple #5539CC ΔE 0.047
- Rebecca Purple #663399 ΔE 0.055
- Purple Blue #5D21D0 ΔE 0.061
- Iris #6258C4 ΔE 0.061
- Grape #7209B7 ΔE 0.065
- Burple #6832E3 ΔE 0.067
Use #683DB9 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.