#6B53C7
Closest named color: Slate Blue (#6A5ACD). oklch(52.8% 0.173 288.6), rgb(107, 83, 199).
Aa
White text reads best on this color (5.69:1).
About this color
#6B53C7 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.173 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.018 away. White text reads best on it, at 5.69:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #6B53C7 |
| RGB | rgb(107, 83, 199) |
| HSL | hsl(252, 51%, 55%) |
| OKLCH | oklch(52.8% 0.173 288.6) |
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 #6B53C7 | 5.69:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #6B53C7 | 3.68:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #6B53C7 text on white | 5.69:1 | AA | Lc 78.1 | Fine for body text |
| #6B53C7 text on black | 3.68:1 | AA large text | Lc -23.6 | 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 600.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BEB9F1
oklch(80.9% 0.079 288.6)
-
Step 400
400
#9E93E9
oklch(70.7% 0.124 288.7)
-
Step 500
500
#8876E3
oklch(63.2% 0.159 288.6)
-
Step 600
600 (this color)
#6B53C7
oklch(52.8% 0.173 288.6)
-
Step 700
700
#604AB4
oklch(48.9% 0.161 288.6)
-
Step 800
800
#4E3E92
oklch(42.7% 0.133 288.2)
-
Step 900
900
#413674
oklch(37.8% 0.102 288.7)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#6B53C7 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) | #0069CB | 0.100 |
| Deuteranopia (no green cones) | #0064C5 | 0.100 |
| Tritanopia (no blue cones) | #4E6D85 | 0.142 |
| Achromatopsia (no color) | #676767 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B53C7
#6B53C7
oklch(52.8% 0.173 288.6)
- #727000
#727000
oklch(53% 0.115 108.5)
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 #6B53C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.018
- Iris #6258C4 ΔE 0.018
- Light Indigo #6D5ACF ΔE 0.020
- Dark Periwinkle #665FD1 ΔE 0.031
- Bluey Purple #6241C7 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.056
- Purpley #8756E4 ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
Use #6B53C7 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.