#6641B0
Closest named color: Bluey Purple (#6241C7). oklch(47.8% 0.168 294.5), rgb(102, 65, 176).
Aa
White text reads best on this color (7.12:1).
About this color
#6641B0 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.168 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.037 away. White text reads best on it, at 7.12:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #6641B0 |
| RGB | rgb(102, 65, 176) |
| HSL | hsl(260, 46%, 47%) |
| OKLCH | oklch(47.8% 0.168 294.5) |
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 #6641B0 | 7.12:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #6641B0 | 2.94:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #6641B0 text on white | 7.12:1 | AAA | Lc 84.3 | Fine for body text |
| #6641B0 text on black | 2.94:1 | Fails | Lc -17.7 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F5
oklch(88.5% 0.045 293.8)
-
Step 300
300
#C3B7F1
oklch(80.9% 0.082 294)
-
Step 400
400
#A68FE9
oklch(70.6% 0.13 294.6)
-
Step 500
500
#9271E2
oklch(63.2% 0.165 294.7)
-
Step 600
600
#7D56D0
oklch(55.6% 0.18 294.5)
-
Step 700
700 (this color)
#6641B0
oklch(47.8% 0.168 294.5)
-
Step 800
800
#563A92
oklch(42.8% 0.139 294.5)
-
Step 900
900
#463374
oklch(37.7% 0.107 294.1)
-
Step 950
950
#291E44
oklch(26.9% 0.069 294.7)
#6641B0 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) | #0059B4 | 0.109 |
| Deuteranopia (no green cones) | #0056AE | 0.109 |
| Tritanopia (no blue cones) | #525A72 | 0.133 |
| Achromatopsia (no color) | #585858 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6641B0
#6641B0
oklch(47.8% 0.168 294.5)
- #5C6300
#5C6300
oklch(47.7% 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 #6641B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.037
- Rebecca Purple #663399 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Blurple #5539CC ΔE 0.058
- Iris #6258C4 ΔE 0.059
- Blueberry #464196 ΔE 0.068
- Slate Blue #6A5ACD ΔE 0.071
- Light Indigo #6D5ACF ΔE 0.074
Use #6641B0 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.