#6641BA
Closest named color: Bluey Purple (#6241C7). oklch(48.6% 0.181 292.4), rgb(102, 65, 186).
Aa
White text reads best on this color (6.93:1).
About this color
#6641BA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.181 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.022 away. White text reads best on it, at 6.93:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.03:1 |
| White text | 6.93:1 |
Values
| HEX | #6641BA |
| RGB | rgb(102, 65, 186) |
| HSL | hsl(258, 48%, 49%) |
| OKLCH | oklch(48.6% 0.181 292.4) |
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 #6641BA | 6.93:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #6641BA | 3.03:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #6641BA text on white | 6.93:1 | AA | Lc 83.5 | Fine for body text |
| #6641BA text on black | 3.03:1 | AA large text | Lc -18.5 | 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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#D9D4F7
oklch(88.5% 0.048 291.9)
-
Step 300
300
#C2B7F5
oklch(81% 0.087 292.5)
-
Step 400
400
#A48FF0
oklch(70.8% 0.14 292.4)
-
Step 500
500
#8F6FEA
oklch(63.1% 0.179 292.5)
-
Step 600
600
#7A53D9
oklch(55.5% 0.195 292.2)
-
Step 700
700 (this color)
#6641BA
oklch(48.6% 0.181 292.4)
-
Step 800
800
#543898
oklch(42.7% 0.15 292.3)
-
Step 900
900
#453279
oklch(37.8% 0.116 292.3)
-
Step 950
950
#281E47
oklch(27% 0.074 292)
#6641BA 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) | #005BBE | 0.108 |
| Deuteranopia (no green cones) | #0057B8 | 0.107 |
| Tritanopia (no blue cones) | #4D5E78 | 0.144 |
| Achromatopsia (no color) | #5A5A5A | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6641BA
#6641BA
oklch(48.6% 0.181 292.4)
- #616500
#616500
oklch(48.7% 0.108 112.5)
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 #6641BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.022
- Blue With A Hint Of Purple #533CC6 ΔE 0.041
- Blurple #5539CC ΔE 0.046
- Iris #6258C4 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.062
- Purple Blue #5D21D0 ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.065
Use #6641BA 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.