#745BB9
Closest named color: Slate Blue (#6A5ACD). oklch(54.1% 0.143 293.3), rgb(116, 91, 185).
Aa
White text reads best on this color (5.33:1).
About this color
#745BB9 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.143 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.036 away. White text reads best on it, at 5.33:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #745BB9 |
| RGB | rgb(116, 91, 185) |
| HSL | hsl(256, 40%, 54%) |
| OKLCH | oklch(54.1% 0.143 293.3) |
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 #745BB9 | 5.33:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #745BB9 | 3.93:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #745BB9 text on white | 5.33:1 | AA | Lc 76.3 | Fine for body text |
| #745BB9 text on black | 3.93:1 | AA large text | Lc -25.4 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C2B9E7
oklch(80.8% 0.065 293.9)
-
Step 400
400
#A394DB
oklch(70.6% 0.103 293.3)
-
Step 500
500
#8E78D1
oklch(63.1% 0.132 293.6)
-
Step 600
600 (this color)
#745BB9
oklch(54.1% 0.143 293.3)
-
Step 700
700
#654EA4
oklch(49% 0.133 293.2)
-
Step 800
800
#534185
oklch(42.8% 0.11 293.4)
-
Step 900
900
#44376A
oklch(37.6% 0.086 293.6)
-
Step 950
950
#28213E
oklch(27.1% 0.053 293.6)
#745BB9 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) | #366CBC | 0.085 |
| Deuteranopia (no green cones) | #3B69B7 | 0.080 |
| Tritanopia (no blue cones) | #636E81 | 0.116 |
| Achromatopsia (no color) | #6B6B6B | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745BB9
#745BB9
oklch(54.1% 0.143 293.3)
- #707600
#707600
oklch(54.2% 0.121 113.3)
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 #745BB9, closest first.
No curated palette has a color within ΔE 0.04 of #745BB9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.036
- Iris #6258C4 ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.044
- Amethyst #9B5FC0 ΔE 0.070
- Dark Lavender #856798 ΔE 0.074
- Bluey Purple #6241C7 ΔE 0.074
Use #745BB9 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.