#7566CF
Closest named color: Dark Periwinkle (#665FD1). oklch(57.5% 0.156 287), rgb(117, 102, 207).
Aa
White text reads best on this color (4.60:1).
About this color
#7566CF is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.156 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.031 away. White text reads best on it, at 4.60:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.55:1 |
| White text | 4.60:1 |
Values
| HEX | #7566CF |
| RGB | rgb(117, 102, 207) |
| HSL | hsl(249, 52%, 61%) |
| OKLCH | oklch(57.5% 0.156 287) |
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 #7566CF | 4.60:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #7566CF | 4.55:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #7566CF text on white | 4.60:1 | AA | Lc 71.8 | Content text, not long reading |
| #7566CF text on black | 4.55:1 | AA | Lc -29.9 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D7D6F2
oklch(88.6% 0.038 287.2)
-
Step 300
300
#BDBAEC
oklch(80.8% 0.07 287.5)
-
Step 400
400
#9C95E3
oklch(70.6% 0.113 287.2)
-
Step 500
500
#8579DB
oklch(63.1% 0.144 287.1)
-
Step 600
600 (this color)
#7566CF
oklch(57.5% 0.156 287)
-
Step 700
700
#5E4FAD
oklch(49.1% 0.144 287.2)
-
Step 800
800
#4C418C
oklch(42.6% 0.12 286.9)
-
Step 900
900
#3F3870
oklch(37.7% 0.093 286.8)
-
Step 950
950
#252142
oklch(27% 0.06 287.2)
#7566CF 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) | #3878D3 | 0.079 |
| Deuteranopia (no green cones) | #3672CD | 0.077 |
| Tritanopia (no blue cones) | #5A7C91 | 0.131 |
| Achromatopsia (no color) | #757575 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7566CF
#7566CF
oklch(57.5% 0.156 287)
- #827D00
#827D00
oklch(57.5% 0.123 106.9)
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 #7566CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.031
- Light Indigo #6D5ACF ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.035
- Medium Slate Blue #7B68EE ΔE 0.048
- Iris #6258C4 ΔE 0.050
- Deep Lavender #8D5EB7 ΔE 0.054
- Purpley #8756E4 ΔE 0.056
- Medium Purple #9370DB ΔE 0.058
Use #7566CF 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.