#6649C3
Closest named color: Bluey Purple (#6241C7). oklch(50.5% 0.181 289.2), rgb(102, 73, 195).
Aa
White text reads best on this color (6.35:1).
About this color
#6649C3 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.181 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.020 away. White text reads best on it, at 6.35:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #6649C3 |
| RGB | rgb(102, 73, 195) |
| HSL | hsl(254, 50%, 53%) |
| OKLCH | oklch(50.5% 0.181 289.2) |
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 #6649C3 | 6.35:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #6649C3 | 3.30:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #6649C3 text on white | 6.35:1 | AA | Lc 81.1 | Fine for body text |
| #6649C3 text on black | 3.30:1 | AA large text | Lc -20.7 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D7D4F8
oklch(88.4% 0.049 289.2)
-
Step 300
300
#BEB8F6
oklch(80.9% 0.087 288.7)
-
Step 400
400
#9F90F2
oklch(70.7% 0.141 289.3)
-
Step 500
500
#8971ED
oklch(63.1% 0.18 289.1)
-
Step 600
600
#7556DB
oklch(55.7% 0.194 289.3)
-
Step 700
700 (this color)
#6649C3
oklch(50.5% 0.181 289.2)
-
Step 800
800
#50399A
oklch(42.6% 0.151 289.3)
-
Step 900
900
#42337A
oklch(37.7% 0.116 289.4)
-
Step 950
950
#261E48
oklch(26.9% 0.075 289.1)
#6649C3 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) | #0062C7 | 0.101 |
| Deuteranopia (no green cones) | #005CC0 | 0.100 |
| Tritanopia (no blue cones) | #48667F | 0.149 |
| Achromatopsia (no color) | #5F5F5F | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6649C3
#6649C3
oklch(50.5% 0.181 289.2)
- #6A6900
#6A6900
oklch(50.5% 0.11 109.1)
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 #6649C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.020
- Iris #6258C4 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.045
- Blurple #5539CC ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.053
- Warm Blue #4B57DB ΔE 0.059
Use #6649C3 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.