#756ACD
Closest named color: Dark Periwinkle (#665FD1). oklch(58.1% 0.148 285.9), rgb(117, 106, 205).
Aa
Black text reads best on this color (4.69:1).
About this color
#756ACD is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.148 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.039 away. Black text reads best on it, at 4.69:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.69:1 |
| White text | 4.46:1 |
Values
| HEX | #756ACD |
| RGB | rgb(117, 106, 205) |
| HSL | hsl(247, 50%, 61%) |
| OKLCH | oklch(58.1% 0.148 285.9) |
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 #756ACD | 4.46:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #756ACD | 4.69:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #756ACD text on white | 4.46:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #756ACD text on black | 4.69:1 | AA | Lc -30.8 | 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
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BCBBEA
oklch(80.9% 0.066 285.8)
-
Step 400
400
#9B97E0
oklch(70.8% 0.106 285.9)
-
Step 500
500
#837BD7
oklch(63% 0.136 285.8)
-
Step 600
600 (this color)
#756ACD
oklch(58.1% 0.148 285.9)
-
Step 700
700
#5C51AA
oklch(49.1% 0.137 285.8)
-
Step 800
800
#4B438A
oklch(42.8% 0.114 285.7)
-
Step 900
900
#3E396E
oklch(37.7% 0.089 285.6)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#756ACD 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) | #427AD1 | 0.069 |
| Deuteranopia (no green cones) | #3F74CB | 0.068 |
| Tritanopia (no blue cones) | #5A7E92 | 0.124 |
| Achromatopsia (no color) | #777777 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #756ACD
#756ACD
oklch(58.1% 0.148 285.9)
- #857E00
#857E00
oklch(58.1% 0.124 105.8)
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 #756ACD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.039
- Light Indigo #6D5ACF ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.054
- Medium Purple #9370DB ΔE 0.055
- Iris #6258C4 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.061
Use #756ACD 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.