#756CDB
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.4% 0.164 283.9), rgb(117, 108, 219).
Aa
Black text reads best on this color (4.92:1).
About this color
#756CDB is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.164 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.032 away. Black text reads best on it, at 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #756CDB |
| RGB | rgb(117, 108, 219) |
| HSL | hsl(245, 61%, 64%) |
| OKLCH | oklch(59.4% 0.164 283.9) |
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 #756CDB | 4.26:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #756CDB | 4.92:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #756CDB text on white | 4.26:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #756CDB text on black | 4.92:1 | AA | Lc -32.4 | 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 500.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF3
oklch(80.9% 0.08 284.5)
-
Step 400
400
#9795ED
oklch(70.7% 0.127 283.7)
-
Step 500
500 (this color)
#756CDB
oklch(59.4% 0.164 283.9)
-
Step 600
600
#6A5DD6
oklch(55.5% 0.179 283.8)
-
Step 700
700
#594CB9
oklch(49.1% 0.165 283.9)
-
Step 800
800
#493F96
oklch(42.7% 0.137 284.2)
-
Step 900
900
#3C3777
oklch(37.7% 0.106 283.6)
-
Step 950
950
#232146
oklch(27.1% 0.067 283.4)
#756CDB 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) | #387EDF | 0.075 |
| Deuteranopia (no green cones) | #3377D9 | 0.075 |
| Tritanopia (no blue cones) | #528499 | 0.141 |
| Achromatopsia (no color) | #7A7A7A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #756CDB
#756CDB
oklch(59.4% 0.164 283.9)
- #8B8100
#8B8100
oklch(59.3% 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 #756CDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.048
- Medium Purple #9370DB ΔE 0.049
- Cornflower #6A79F7 ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.051
- Purpley #8756E4 ΔE 0.056
- Iris #6258C4 ΔE 0.067
Use #756CDB 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.