#745ACD
Closest named color: Light Indigo (#6D5ACF). oklch(55.2% 0.171 290.1), rgb(116, 90, 205).
Aa
White text reads best on this color (5.13:1).
About this color
#745ACD is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.171 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.012 away. White text reads best on it, at 5.13:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.08:1 |
| White text | 5.13:1 |
Values
| HEX | #745ACD |
| RGB | rgb(116, 90, 205) |
| HSL | hsl(254, 53%, 58%) |
| OKLCH | oklch(55.2% 0.171 290.1) |
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 #745ACD | 5.13:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #745ACD | 4.08:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #745ACD text on white | 5.13:1 | AA | Lc 75.1 | Fine for body text |
| #745ACD text on black | 4.08:1 | AA large text | Lc -26.6 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#BFB9EF
oklch(80.9% 0.076 289.7)
-
Step 400
400
#A092E8
oklch(70.6% 0.124 290.3)
-
Step 500
500
#8A75E1
oklch(63.1% 0.158 290.1)
-
Step 600
600 (this color)
#745ACD
oklch(55.2% 0.171 290.1)
-
Step 700
700
#634AB3
oklch(49.2% 0.16 290.3)
-
Step 800
800
#503E91
oklch(42.8% 0.131 289.7)
-
Step 900
900
#423573
oklch(37.6% 0.103 290.2)
-
Step 950
950
#272044
oklch(27.1% 0.065 290.3)
#745ACD 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) | #1870D1 | 0.102 |
| Deuteranopia (no green cones) | #1E6BCA | 0.099 |
| Tritanopia (no blue cones) | #5A738B | 0.139 |
| Achromatopsia (no color) | #6D6D6D | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745ACD
#745ACD
oklch(55.2% 0.171 290.1)
- #777800
#777800
oklch(55.3% 0.121 110.4)
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 #745ACD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.012
- Slate Blue #6A5ACD ΔE 0.016
- Dark Periwinkle #665FD1 ΔE 0.024
- Iris #6258C4 ΔE 0.033
- Purpley #8756E4 ΔE 0.047
- Deep Lavender #8D5EB7 ΔE 0.057
- Medium Slate Blue #7B68EE ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.066
Use #745ACD 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.