#615CD6
Closest named color: Dark Periwinkle (#665FD1). oklch(54.6% 0.182 280.4), rgb(97, 92, 214).
Aa
White text reads best on this color (5.23:1).
About this color
#615CD6 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.182 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.014 away. White text reads best on it, at 5.23:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #615CD6 |
| RGB | rgb(97, 92, 214) |
| HSL | hsl(242, 60%, 60%) |
| OKLCH | oklch(54.6% 0.182 280.4) |
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 #615CD6 | 5.23:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #615CD6 | 4.01:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #615CD6 text on white | 5.23:1 | AA | Lc 75.6 | Fine for body text |
| #615CD6 text on black | 4.01:1 | AA large text | Lc -26.1 | 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
#E6E8FA
oklch(93.5% 0.024 280.9)
-
Step 200
200
#D3D6F7
oklch(88.4% 0.045 281.3)
-
Step 300
300
#B6BBF5
oklch(80.8% 0.082 280.6)
-
Step 400
400
#9296F0
oklch(70.7% 0.131 280.6)
-
Step 500
500
#7979EB
oklch(63.1% 0.167 280.5)
-
Step 600
600 (this color)
#615CD6
oklch(54.6% 0.182 280.4)
-
Step 700
700
#534EBC
oklch(49.2% 0.168 280.3)
-
Step 800
800
#444098
oklch(42.6% 0.14 280.7)
-
Step 900
900
#383879
oklch(37.7% 0.108 279.9)
-
Step 950
950
#212147
oklch(27% 0.069 280.7)
#615CD6 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) | #0071DA | 0.081 |
| Deuteranopia (no green cones) | #0068D3 | 0.078 |
| Tritanopia (no blue cones) | #287890 | 0.156 |
| Achromatopsia (no color) | #6C6C6C | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615CD6
#615CD6
oklch(54.6% 0.182 280.4)
- #807100
#807100
oklch(54.6% 0.114 100.1)
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 #615CD6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.014
- Slate Blue #6A5ACD ΔE 0.019
- Light Indigo #6D5ACF ΔE 0.021
- Iris #6258C4 ΔE 0.029
- Warm Blue #4B57DB ΔE 0.035
- Royal Blue #4169E1 ΔE 0.047
- Neon Blue #4361EE ΔE 0.052
- Medium Slate Blue #7B68EE ΔE 0.062
Use #615CD6 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.