#6653ED
Closest named color: Warm Blue (#4B57DB). oklch(55.4% 0.221 282), rgb(102, 83, 237).
Aa
White text reads best on this color (5.21:1).
About this color
#6653ED is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.221 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.047 away. White text reads best on it, at 5.21:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.221) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #6653ED |
| RGB | rgb(102, 83, 237) |
| HSL | hsl(247, 81%, 63%) |
| OKLCH | oklch(55.4% 0.221 282) |
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 #6653ED | 5.21:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #6653ED | 4.02:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #6653ED text on white | 5.21:1 | AA | Lc 75.3 | Fine for body text |
| #6653ED text on black | 4.02:1 | AA large text | Lc -26.4 | 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 600.
-
Step 50
50
#F4F5FF
oklch(97.2% 0.013 281.6)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D3D5FE
oklch(88.5% 0.056 283)
-
Step 300
300
#B6B9FF
oklch(80.9% 0.099 282.1)
-
Step 400
400
#9292FF
oklch(70.8% 0.157 281.6)
-
Step 500
500
#7B71FF
oklch(63.1% 0.204 282)
-
Step 600
600 (this color)
#6653ED
oklch(55.4% 0.221 282)
-
Step 700
700
#5643CF
oklch(49.2% 0.205 281.9)
-
Step 800
800
#4638A7
oklch(42.7% 0.17 282.1)
-
Step 900
900
#3A3285
oklch(37.7% 0.134 282.2)
-
Step 950
950
#211E4E
oklch(26.9% 0.086 281.8)
#6653ED 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) | #0072F2 | 0.094 |
| Deuteranopia (no green cones) | #0067EA | 0.087 |
| Tritanopia (no blue cones) | #177A99 | 0.187 |
| Achromatopsia (no color) | #6C6C6C | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6653ED
#6653ED
oklch(55.4% 0.221 282)
- #817400
#817400
oklch(55.4% 0.116 101.6)
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 #6653ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.047
- Neon Blue #4361EE ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.052
- Purpley #8756E4 ΔE 0.058
- Purpley Blue #5F34E7 ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.059
Use #6653ED 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.