#745CCB
Closest named color: Light Indigo (#6D5ACF). oklch(55.4% 0.165 289.9), rgb(116, 92, 203).
Aa
White text reads best on this color (5.07:1).
About this color
#745CCB is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.165 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.014 away. White text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #745CCB |
| RGB | rgb(116, 92, 203) |
| HSL | hsl(253, 52%, 58%) |
| OKLCH | oklch(55.4% 0.165 289.9) |
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 #745CCB | 5.07:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #745CCB | 4.13:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #745CCB text on white | 5.07:1 | AA | Lc 74.8 | Content text, not long reading |
| #745CCB text on black | 4.13:1 | AA large text | Lc -26.9 | 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
#D8D5F3
oklch(88.5% 0.041 290.1)
-
Step 300
300
#BFB9EE
oklch(80.9% 0.074 289.8)
-
Step 400
400
#A093E6
oklch(70.7% 0.12 290.2)
-
Step 500
500
#8A76DE
oklch(63.1% 0.152 290.2)
-
Step 600
600 (this color)
#745CCB
oklch(55.4% 0.165 289.9)
-
Step 700
700
#624BB0
oklch(49% 0.154 290)
-
Step 800
800
#503F8F
oklch(42.8% 0.127 289.7)
-
Step 900
900
#423672
oklch(37.7% 0.099 290)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#745CCB 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) | #2370CF | 0.096 |
| Deuteranopia (no green cones) | #276CC9 | 0.093 |
| Tritanopia (no blue cones) | #5B748B | 0.135 |
| Achromatopsia (no color) | #6E6E6E | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745CCB
#745CCB
oklch(55.4% 0.165 289.9)
- #787800
#787800
oklch(55.4% 0.121 109.8)
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 #745CCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.014
- Slate Blue #6A5ACD ΔE 0.018
- Dark Periwinkle #665FD1 ΔE 0.024
- Iris #6258C4 ΔE 0.033
- Purpley #8756E4 ΔE 0.051
- Deep Lavender #8D5EB7 ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.059
- Warm Blue #4B57DB ΔE 0.068
Use #745CCB 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.