#6648D4
Closest named color: Bluey Purple (#6241C7). oklch(51.7% 0.204 286.8), rgb(102, 72, 212).
Aa
White text reads best on this color (6.10:1).
About this color
#6648D4 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.204 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.026 away. White text reads best on it, at 6.10:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.44:1 |
| White text | 6.10:1 |
Values
| HEX | #6648D4 |
| RGB | rgb(102, 72, 212) |
| HSL | hsl(253, 62%, 56%) |
| OKLCH | oklch(51.7% 0.204 286.8) |
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 #6648D4 | 6.10:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #6648D4 | 3.44:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #6648D4 text on white | 6.10:1 | AA | Lc 79.9 | Fine for body text |
| #6648D4 text on black | 3.44:1 | AA large text | Lc -22.0 | 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 700.
-
Step 50
50
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FC
oklch(88.4% 0.055 287.5)
-
Step 300
300
#BCB7FE
oklch(80.9% 0.1 287.2)
-
Step 400
400
#9B8FFD
oklch(70.8% 0.157 286.6)
-
Step 500
500
#856EFB
oklch(63.2% 0.202 286.6)
-
Step 600
600
#7150EA
oklch(55.6% 0.22 286.7)
-
Step 700
700 (this color)
#6648D4
oklch(51.7% 0.204 286.8)
-
Step 800
800
#4D36A4
oklch(42.7% 0.168 286.5)
-
Step 900
900
#403182
oklch(37.8% 0.13 286.9)
-
Step 950
950
#251D4C
oklch(26.9% 0.083 287.2)
#6648D4 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) | #0065D8 | 0.101 |
| Deuteranopia (no green cones) | #005ED1 | 0.098 |
| Tritanopia (no blue cones) | #3B6B88 | 0.168 |
| Achromatopsia (no color) | #626262 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6648D4
#6648D4
oklch(51.7% 0.204 286.8)
- #706B00
#706B00
oklch(51.6% 0.11 106.5)
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 #6648D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.026
- Burple #6832E3 ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.043
- Iris #6258C4 ΔE 0.044
- Blurple #5539CC ΔE 0.045
- Purpley Blue #5F34E7 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.048
Use #6648D4 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.