#6B5CDC
Closest named color: Dark Periwinkle (#665FD1). oklch(55.9% 0.188 283.8), rgb(107, 92, 220).
Aa
White text reads best on this color (5.01:1).
About this color
#6B5CDC is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.188 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.020 away. White text reads best on it, at 5.01:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #6B5CDC |
| RGB | rgb(107, 92, 220) |
| HSL | hsl(247, 65%, 61%) |
| OKLCH | oklch(55.9% 0.188 283.8) |
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 #6B5CDC | 5.01:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #6B5CDC | 4.18:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #6B5CDC text on white | 5.01:1 | AA | Lc 74.3 | Content text, not long reading |
| #6B5CDC text on black | 4.18:1 | AA large text | Lc -27.4 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D4D6F8
oklch(88.5% 0.047 282.7)
-
Step 300
300
#B9BAF6
oklch(80.9% 0.084 283.6)
-
Step 400
400
#9794F2
oklch(70.8% 0.136 283.8)
-
Step 500
500
#7F76ED
oklch(63.1% 0.173 283.7)
-
Step 600
600 (this color)
#6B5CDC
oklch(55.9% 0.188 283.8)
-
Step 700
700
#594ABE
oklch(49.1% 0.175 283.8)
-
Step 800
800
#483E9A
oklch(42.8% 0.145 283.4)
-
Step 900
900
#3C367A
oklch(37.7% 0.112 283.6)
-
Step 950
950
#232048
oklch(27% 0.072 283.9)
#6B5CDC 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) | #0073E0 | 0.093 |
| Deuteranopia (no green cones) | #006BD9 | 0.091 |
| Tritanopia (no blue cones) | #3E7A93 | 0.160 |
| Achromatopsia (no color) | #6F6F6F | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B5CDC
#6B5CDC
oklch(55.9% 0.188 283.8)
- #807600
#807600
oklch(55.7% 0.117 103.6)
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 #6B5CDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.020
- Light Indigo #6D5ACF ΔE 0.020
- Slate Blue #6A5ACD ΔE 0.023
- Iris #6258C4 ΔE 0.040
- Medium Slate Blue #7B68EE ΔE 0.047
- Purpley #8756E4 ΔE 0.048
- Warm Blue #4B57DB ΔE 0.049
- Royal Blue #4169E1 ΔE 0.057
Use #6B5CDC 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.