#745DDB
Closest named color: Light Indigo (#6D5ACF). oklch(56.7% 0.185 287.4), rgb(116, 93, 219).
Aa
White text reads best on this color (4.84:1).
About this color
#745DDB is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.185 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.023 away. White text reads best on it, at 4.84:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #745DDB |
| RGB | rgb(116, 93, 219) |
| HSL | hsl(251, 64%, 61%) |
| OKLCH | oklch(56.7% 0.185 287.4) |
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 #745DDB | 4.84:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #745DDB | 4.33:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #745DDB text on white | 4.84:1 | AA | Lc 73.3 | Content text, not long reading |
| #745DDB text on black | 4.33:1 | AA large text | Lc -28.4 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D7D5F7
oklch(88.5% 0.047 288.1)
-
Step 300
300
#BDB9F4
oklch(81% 0.083 287.5)
-
Step 400
400
#9C92EF
oklch(70.7% 0.134 287.4)
-
Step 500
500
#8674E9
oklch(63.1% 0.17 287.6)
-
Step 600
600 (this color)
#745DDB
oklch(56.7% 0.185 287.4)
-
Step 700
700
#5F48BB
oklch(49.1% 0.173 287.4)
-
Step 800
800
#4D3C97
oklch(42.6% 0.143 287.3)
-
Step 900
900
#403578
oklch(37.8% 0.11 287.5)
-
Step 950
950
#251F46
oklch(26.9% 0.07 287.8)
#745DDB 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) | #0075DF | 0.104 |
| Deuteranopia (no green cones) | #006ED8 | 0.103 |
| Tritanopia (no blue cones) | #527993 | 0.153 |
| Achromatopsia (no color) | #717171 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745DDB
#745DDB
oklch(56.7% 0.185 287.4)
- #7F7B00
#7F7B00
oklch(56.8% 0.122 107.4)
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 #745DDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.023
- Dark Periwinkle #665FD1 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.028
- Purpley #8756E4 ΔE 0.036
- Medium Slate Blue #7B68EE ΔE 0.039
- Iris #6258C4 ΔE 0.047
- Warm Blue #4B57DB ΔE 0.063
- Royal Blue #4169E1 ΔE 0.068
Use #745DDB 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.