#6C4CCF
Closest named color: Slate Blue (#6A5ACD). oklch(52.4% 0.192 289.3), rgb(108, 76, 207).
Aa
White text reads best on this color (5.87:1).
About this color
#6C4CCF is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.192 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.031 away. White text reads best on it, at 5.87:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.192) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #6C4CCF |
| RGB | rgb(108, 76, 207) |
| HSL | hsl(255, 58%, 55%) |
| OKLCH | oklch(52.4% 0.192 289.3) |
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 #6C4CCF | 5.87:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #6C4CCF | 3.57:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #6C4CCF text on white | 5.87:1 | AA | Lc 78.9 | Fine for body text |
| #6C4CCF text on black | 3.57:1 | AA large text | Lc -22.9 | 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
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D5F8
oklch(88.6% 0.048 289.3)
-
Step 300
300
#BEB8F6
oklch(80.9% 0.087 288.7)
-
Step 400
400
#9F90F1
oklch(70.6% 0.139 289.4)
-
Step 500
500
#8972EC
oklch(63.2% 0.177 289)
-
Step 600
600 (this color)
#6C4CCF
oklch(52.4% 0.192 289.3)
-
Step 700
700
#6245BD
oklch(49% 0.179 289.2)
-
Step 800
800
#503A99
oklch(42.7% 0.148 289.2)
-
Step 900
900
#42337A
oklch(37.7% 0.116 289.4)
-
Step 950
950
#261F47
oklch(27% 0.072 288.7)
#6C4CCF 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) | #0067D3 | 0.107 |
| Deuteranopia (no green cones) | #0061CC | 0.105 |
| Tritanopia (no blue cones) | #4B6B86 | 0.157 |
| Achromatopsia (no color) | #646464 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C4CCF
#6C4CCF
oklch(52.4% 0.192 289.3)
- #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 #6C4CCF, 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 0.035
- Dark Periwinkle #665FD1 ΔE 0.042
- Warm Blue #4B57DB ΔE 0.055
- Burple #6832E3 ΔE 0.055
- Blurple #5539CC ΔE 0.058
Use #6C4CCF 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.