#6649BF
Closest named color: Bluey Purple (#6241C7). oklch(50.2% 0.176 289.8), rgb(102, 73, 191).
Aa
White text reads best on this color (6.42:1).
About this color
#6649BF is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.176 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.023 away. White text reads best on it, at 6.42:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.27:1 |
| White text | 6.42:1 |
Values
| HEX | #6649BF |
| RGB | rgb(102, 73, 191) |
| HSL | hsl(255, 48%, 52%) |
| OKLCH | oklch(50.2% 0.176 289.8) |
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 #6649BF | 6.42:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #6649BF | 3.27:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #6649BF text on white | 6.42:1 | AA | Lc 81.5 | Fine for body text |
| #6649BF text on black | 3.27:1 | AA large text | Lc -20.4 | 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 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
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BFB8F5
oklch(81% 0.086 289.6)
-
Step 400
400
#A090EF
oklch(70.6% 0.137 290.2)
-
Step 500
500
#8A72EA
oklch(63.1% 0.174 289.7)
-
Step 600
600
#7657D8
oklch(55.7% 0.189 289.9)
-
Step 700
700 (this color)
#6649BF
oklch(50.2% 0.176 289.8)
-
Step 800
800
#513A98
oklch(42.7% 0.147 290)
-
Step 900
900
#423379
oklch(37.7% 0.115 289.6)
-
Step 950
950
#271F47
oklch(27.1% 0.072 290)
#6649BF 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) | #0061C3 | 0.102 |
| Deuteranopia (no green cones) | #005CBD | 0.100 |
| Tritanopia (no blue cones) | #4A647D | 0.143 |
| Achromatopsia (no color) | #5F5F5F | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6649BF
#6649BF
oklch(50.2% 0.176 289.8)
- #686800
#686800
oklch(50.1% 0.109 109.8)
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 #6649BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.023
- Iris #6258C4 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.047
- Blurple #5539CC ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.056
- Warm Blue #4B57DB ΔE 0.063
Use #6649BF 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.