#756ECF
Closest named color: Dark Periwinkle (#665FD1). oklch(59% 0.145 284.3), rgb(117, 110, 207).
Aa
Black text reads best on this color (4.88:1).
About this color
#756ECF is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.145 and its hue 284°. 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 4.88:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #756ECF |
| RGB | rgb(117, 110, 207) |
| HSL | hsl(244, 50%, 62%) |
| OKLCH | oklch(59% 0.145 284.3) |
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 #756ECF | 4.29:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #756ECF | 4.88:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #756ECF text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #756ECF text on black | 4.88:1 | AA | Lc -32.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BBBCEA
oklch(81% 0.065 283.9)
-
Step 400
400
#9997DF
oklch(70.6% 0.104 284.7)
-
Step 500
500
#817CD6
oklch(63% 0.133 284.4)
-
Step 600
600 (this color)
#756ECF
oklch(59% 0.145 284.3)
-
Step 700
700
#5A52A9
oklch(49.1% 0.135 284.4)
-
Step 800
800
#494489
oklch(42.7% 0.111 283.9)
-
Step 900
900
#3D3A6D
oklch(37.7% 0.085 284.2)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#756ECF 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) | #477DD3 | 0.063 |
| Deuteranopia (no green cones) | #4477CD | 0.062 |
| Tritanopia (no blue cones) | #598294 | 0.124 |
| Achromatopsia (no color) | #7A7A7A | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #756ECF
#756ECF
oklch(59% 0.145 284.3)
- #8A8000
#8A8000
oklch(59% 0.125 104.1)
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 #756ECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.046
- Medium Purple #9370DB ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.054
- Deep Lilac #966EBD ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.059
- Cornflower #6A79F7 ΔE 0.063
Use #756ECF 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.