#6347A3
Closest named color: Rebecca Purple (#663399). oklch(47.5% 0.143 294.4), rgb(99, 71, 163).
Aa
White text reads best on this color (7.09:1).
About this color
#6347A3 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.143 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.046 away. White text reads best on it, at 7.09:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.96:1 |
| White text | 7.09:1 |
Values
| HEX | #6347A3 |
| RGB | rgb(99, 71, 163) |
| HSL | hsl(258, 39%, 46%) |
| OKLCH | oklch(47.5% 0.143 294.4) |
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 #6347A3 | 7.09:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #6347A3 | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #6347A3 text on white | 7.09:1 | AAA | Lc 84.3 | Fine for body text |
| #6347A3 text on black | 2.96:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B9E9
oklch(81% 0.068 294.4)
-
Step 400
400
#A593DF
oklch(70.8% 0.11 294.3)
-
Step 500
500
#9076D5
oklch(63.1% 0.141 294.6)
-
Step 600
600
#7B5DC3
oklch(55.7% 0.153 294.5)
-
Step 700
700 (this color)
#6347A3
oklch(47.5% 0.143 294.4)
-
Step 800
800
#543F88
oklch(42.7% 0.117 294.1)
-
Step 900
900
#45366D
oklch(37.7% 0.092 294.1)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#6347A3 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) | #1A59A6 | 0.093 |
| Deuteranopia (no green cones) | #2357A1 | 0.087 |
| Tritanopia (no blue cones) | #535A6E | 0.113 |
| Achromatopsia (no color) | #585858 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6347A3
#6347A3
oklch(47.5% 0.143 294.4)
- #5C6200
#5C6200
oklch(47.5% 0.107 113.9)
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 #6347A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.046
- Blueberry #464196 ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.059
- Twilight #4E518B ΔE 0.059
- Iris #6258C4 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Dusk #4E5481 ΔE 0.077
Use #6347A3 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.