#766DCC
Closest named color: Dark Periwinkle (#665FD1). oklch(58.7% 0.142 285.5), rgb(118, 109, 204).
Aa
Black text reads best on this color (4.82:1).
About this color
#766DCC is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.142 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.046 away. Black text reads best on it, at 4.82:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.82:1 |
| White text | 4.34:1 |
Values
| HEX | #766DCC |
| RGB | rgb(118, 109, 204) |
| HSL | hsl(246, 48%, 61%) |
| OKLCH | oklch(58.7% 0.142 285.5) |
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 #766DCC | 4.34:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #766DCC | 4.82:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #766DCC text on white | 4.34:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #766DCC text on black | 4.82:1 | AA | Lc -31.7 | Non-text elements, placeholder text |
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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F0
oklch(88.4% 0.036 285.7)
-
Step 300
300
#BCBBE9
oklch(80.8% 0.065 285.9)
-
Step 400
400
#9A97DE
oklch(70.6% 0.103 285.4)
-
Step 500
500
#837CD4
oklch(63.1% 0.13 285.7)
-
Step 600
600 (this color)
#766DCC
oklch(58.7% 0.142 285.5)
-
Step 700
700
#5B52A7
oklch(49% 0.132 285.3)
-
Step 800
800
#4B4487
oklch(42.8% 0.108 285.6)
-
Step 900
900
#3E3A6C
oklch(37.8% 0.084 285.3)
-
Step 950
950
#24223F
oklch(27% 0.053 285.4)
#766DCC 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) | #487CCF | 0.064 |
| Deuteranopia (no green cones) | #4676CA | 0.062 |
| Tritanopia (no blue cones) | #5C8093 | 0.120 |
| Achromatopsia (no color) | #797979 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766DCC
#766DCC
oklch(58.7% 0.142 285.5)
- #878000
#878000
oklch(58.7% 0.125 105.8)
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 #766DCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.051
- Medium Purple #9370DB ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.053
- Medium Slate Blue #7B68EE ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.055
- Deep Lilac #966EBD ΔE 0.056
- Iris #6258C4 ΔE 0.064
Use #766DCC 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.