#6D4ECC
Closest named color: Slate Blue (#6A5ACD). oklch(52.6% 0.186 289.8), rgb(109, 78, 204).
Aa
White text reads best on this color (5.81:1).
About this color
#6D4ECC is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.186 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.027 away. White text reads best on it, at 5.81:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #6D4ECC |
| RGB | rgb(109, 78, 204) |
| HSL | hsl(255, 55%, 55%) |
| OKLCH | oklch(52.6% 0.186 289.8) |
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 #6D4ECC | 5.81:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #6D4ECC | 3.61:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #6D4ECC text on white | 5.81:1 | AA | Lc 78.6 | Fine for body text |
| #6D4ECC text on black | 3.61:1 | AA large text | Lc -23.2 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#A091EE
oklch(70.8% 0.134 289.9)
-
Step 500
500
#8A72E8
oklch(63% 0.172 289.9)
-
Step 600
600 (this color)
#6D4ECC
oklch(52.6% 0.186 289.8)
-
Step 700
700
#6347BA
oklch(49.2% 0.173 289.7)
-
Step 800
800
#503B96
oklch(42.6% 0.143 289.6)
-
Step 900
900
#423478
oklch(37.8% 0.112 289.4)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#6D4ECC 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) | #0068D0 | 0.107 |
| Deuteranopia (no green cones) | #0062C9 | 0.106 |
| Tritanopia (no blue cones) | #4F6B86 | 0.150 |
| Achromatopsia (no color) | #656565 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D4ECC
#6D4ECC
oklch(52.6% 0.186 289.8)
- #6F6F00
#6F6F00
oklch(52.4% 0.114 109.8)
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 #6D4ECC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.027
- Light Indigo #6D5ACF ΔE 0.027
- Iris #6258C4 ΔE 0.030
- Bluey Purple #6241C7 ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.039
- Warm Blue #4B57DB ΔE 0.056
- Purpley #8756E4 ΔE 0.061
- Burple #6832E3 ΔE 0.062
Use #6D4ECC 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.