#745AC7
Closest named color: Light Indigo (#6D5ACF). oklch(54.8% 0.163 291), rgb(116, 90, 199).
Aa
White text reads best on this color (5.21:1).
About this color
#745AC7 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.163 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.017 away. White text reads best on it, at 5.21:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #745AC7 |
| RGB | rgb(116, 90, 199) |
| HSL | hsl(254, 49%, 57%) |
| OKLCH | oklch(54.8% 0.163 291) |
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 #745AC7 | 5.21:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #745AC7 | 4.02:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #745AC7 text on white | 5.21:1 | AA | Lc 75.6 | Fine for body text |
| #745AC7 text on black | 4.02:1 | AA large text | Lc -26.2 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D9D5F3
oklch(88.5% 0.041 291.7)
-
Step 300
300
#C0B9ED
oklch(80.9% 0.073 290.8)
-
Step 400
400
#A193E4
oklch(70.7% 0.117 291)
-
Step 500
500
#8B76DC
oklch(63.1% 0.15 290.9)
-
Step 600
600 (this color)
#745AC7
oklch(54.8% 0.163 291)
-
Step 700
700
#644BAE
oklch(49.1% 0.152 291.4)
-
Step 800
800
#513E8D
oklch(42.6% 0.126 291.2)
-
Step 900
900
#433671
oklch(37.8% 0.098 291.1)
-
Step 950
950
#272042
oklch(27% 0.062 291.2)
#745AC7 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) | #236ECB | 0.097 |
| Deuteranopia (no green cones) | #296AC5 | 0.093 |
| Tritanopia (no blue cones) | #5D7188 | 0.132 |
| Achromatopsia (no color) | #6D6D6D | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745AC7
#745AC7
oklch(54.8% 0.163 291)
- #757700
#757700
oklch(54.9% 0.121 110.9)
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 #745AC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.017
- Slate Blue #6A5ACD ΔE 0.019
- Dark Periwinkle #665FD1 ΔE 0.027
- Iris #6258C4 ΔE 0.030
- Deep Lavender #8D5EB7 ΔE 0.052
- Purpley #8756E4 ΔE 0.055
- Bluey Purple #6241C7 ΔE 0.066
- Medium Slate Blue #7B68EE ΔE 0.067
Use #745AC7 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.