#6430A0
Closest named color: Rebecca Purple (#663399). oklch(43.9% 0.172 300.7), rgb(100, 48, 160).
Aa
White text reads best on this color (8.49:1).
About this color
#6430A0 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.172 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.014 away. White text reads best on it, at 8.49:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #6430A0 |
| RGB | rgb(100, 48, 160) |
| HSL | hsl(268, 54%, 41%) |
| OKLCH | oklch(43.9% 0.172 300.7) |
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 #6430A0 | 8.49:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #6430A0 | 2.47:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #6430A0 text on white | 8.49:1 | AAA | Lc 88.6 | Fine for body text |
| #6430A0 text on black | 2.47:1 | Fails | Lc -13.6 | Not readable |
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 800.
-
Step 50
50
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FB
oklch(93.7% 0.029 301)
-
Step 200
200
#DFD1F9
oklch(88.5% 0.056 301.2)
-
Step 300
300
#CBB2F8
oklch(80.9% 0.1 300.6)
-
Step 400
400
#B286F4
oklch(70.7% 0.161 300.8)
-
Step 500
500
#A062F0
oklch(63.1% 0.206 300.8)
-
Step 600
600
#8C43DE
oklch(55.6% 0.223 300.8)
-
Step 700
700
#7733C1
oklch(49.2% 0.207 300.7)
-
Step 800
800 (this color)
#6430A0
oklch(43.9% 0.172 300.7)
-
Step 900
900
#4F2A7C
oklch(37.8% 0.134 300.9)
-
Step 950
950
#2E1A49
oklch(27.1% 0.085 300.5)
#6430A0 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) | #004CA3 | 0.122 |
| Deuteranopia (no green cones) | #004C9E | 0.123 |
| Tritanopia (no blue cones) | #574A64 | 0.127 |
| Achromatopsia (no color) | #4D4D4D | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6430A0
#6430A0
oklch(43.9% 0.172 300.7)
- #4A5A00
#4A5A00
oklch(43.8% 0.105 120.9)
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 #6430A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.014
- Grape #7209B7 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.061
- Blueberry #464196 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.071
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
- Blurple #5539CC ΔE 0.079
Use #6430A0 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.