#6443BA
Closest named color: Bluey Purple (#6241C7). oklch(48.7% 0.178 291.1), rgb(100, 67, 186).
Aa
White text reads best on this color (6.87:1).
About this color
#6443BA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.178 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.021 away. White text reads best on it, at 6.87:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #6443BA |
| RGB | rgb(100, 67, 186) |
| HSL | hsl(257, 47%, 50%) |
| OKLCH | oklch(48.7% 0.178 291.1) |
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 #6443BA | 6.87:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #6443BA | 3.05:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #6443BA text on white | 6.87:1 | AA | Lc 83.3 | Fine for body text |
| #6443BA text on black | 3.05:1 | AA large text | Lc -18.7 | 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
#D9D4F7
oklch(88.5% 0.048 291.9)
-
Step 300
300
#C0B7F5
oklch(80.8% 0.087 291)
-
Step 400
400
#A290EF
oklch(70.8% 0.137 291.2)
-
Step 500
500
#8C71EA
oklch(63.1% 0.176 290.8)
-
Step 600
600
#7855D8
oklch(55.6% 0.192 291.2)
-
Step 700
700 (this color)
#6443BA
oklch(48.7% 0.178 291.1)
-
Step 800
800
#523998
oklch(42.7% 0.148 290.9)
-
Step 900
900
#443279
oklch(37.7% 0.116 291.5)
-
Step 950
950
#271E47
oklch(26.9% 0.074 290.7)
#6443BA 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) | #005CBE | 0.104 |
| Deuteranopia (no green cones) | #0058B8 | 0.103 |
| Tritanopia (no blue cones) | #4A5F78 | 0.144 |
| Achromatopsia (no color) | #5A5A5A | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6443BA
#6443BA
oklch(48.7% 0.178 291.1)
- #626400
#626400
oklch(48.5% 0.107 111.1)
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 #6443BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.021
- Blue With A Hint Of Purple #533CC6 ΔE 0.040
- Blurple #5539CC ΔE 0.045
- Iris #6258C4 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.060
- Rebecca Purple #663399 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.063
- Purple Blue #5D21D0 ΔE 0.066
Use #6443BA 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.