#6D4CCC
Closest named color: Slate Blue (#6A5ACD). oklch(52.3% 0.189 290.2), rgb(109, 76, 204).
Aa
White text reads best on this color (5.90:1).
About this color
#6D4CCC is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.189 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.031 away. White text reads best on it, at 5.90:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #6D4CCC |
| RGB | rgb(109, 76, 204) |
| HSL | hsl(255, 56%, 55%) |
| OKLCH | oklch(52.3% 0.189 290.2) |
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 #6D4CCC | 5.90:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #6D4CCC | 3.55:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #6D4CCC text on white | 5.90:1 | AA | Lc 79.1 | Fine for body text |
| #6D4CCC text on black | 3.55:1 | AA large text | Lc -22.7 | 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
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4F9
oklch(88.5% 0.051 290.3)
-
Step 300
300
#BFB7F8
oklch(80.9% 0.091 289.8)
-
Step 400
400
#A08FF4
oklch(70.7% 0.145 289.9)
-
Step 500
500
#8B6FF0
oklch(63.1% 0.186 290)
-
Step 600
600
#7753DF
oklch(55.7% 0.203 290.1)
-
Step 700
700 (this color)
#6D4CCC
oklch(52.3% 0.189 290.2)
-
Step 800
800
#52379C
oklch(42.7% 0.156 290.5)
-
Step 900
900
#43317C
oklch(37.6% 0.122 290.4)
-
Step 950
950
#271E49
oklch(27.1% 0.077 289.9)
#6D4CCC 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) | #0066D0 | 0.108 |
| Deuteranopia (no green cones) | #0061C9 | 0.107 |
| Tritanopia (no blue cones) | #4F6A85 | 0.153 |
| Achromatopsia (no color) | #646464 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D4CCC
#6D4CCC
oklch(52.3% 0.189 290.2)
- #6E6F00
#6E6F00
oklch(52.3% 0.115 110.4)
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 #6D4CCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.031
- Light Indigo #6D5ACF ΔE 0.031
- Bluey Purple #6241C7 ΔE 0.032
- Iris #6258C4 ΔE 0.033
- Dark Periwinkle #665FD1 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.058
- Burple #6832E3 ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
Use #6D4CCC 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.