#745BB5
Closest named color: Iris (#6258C4). oklch(53.8% 0.137 294.1), rgb(116, 91, 181).
Aa
White text reads best on this color (5.37:1).
About this color
#745BB5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.137 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.039 away. White text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #745BB5 |
| RGB | rgb(116, 91, 181) |
| HSL | hsl(257, 38%, 53%) |
| OKLCH | oklch(53.8% 0.137 294.1) |
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 #745BB5 | 5.37:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #745BB5 | 3.90:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #745BB5 text on white | 5.37:1 | AA | Lc 76.6 | Fine for body text |
| #745BB5 text on black | 3.90:1 | AA large text | Lc -25.2 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C2BAE5
oklch(81% 0.061 293.5)
-
Step 400
400
#A494D8
oklch(70.6% 0.099 294.5)
-
Step 500
500
#8E79CE
oklch(63.1% 0.126 293.8)
-
Step 600
600 (this color)
#745BB5
oklch(53.8% 0.137 294.1)
-
Step 700
700
#664FA1
oklch(49.1% 0.128 294.1)
-
Step 800
800
#534182
oklch(42.6% 0.105 294.2)
-
Step 900
900
#443869
oklch(37.7% 0.082 293.3)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#745BB5 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) | #3A6BB8 | 0.081 |
| Deuteranopia (no green cones) | #3E69B3 | 0.078 |
| Tritanopia (no blue cones) | #646D7F | 0.112 |
| Achromatopsia (no color) | #6A6A6A | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745BB5
#745BB5
oklch(53.8% 0.137 294.1)
- #6E7500
#6E7500
oklch(53.8% 0.121 113.9)
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 #745BB5, closest first.
No curated palette has a color within ΔE 0.04 of #745BB5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.039
- Slate Blue #6A5ACD ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.048
- Dark Lavender #856798 ΔE 0.069
- Amethyst #9B5FC0 ΔE 0.071
- Muted Purple #805B87 ΔE 0.076
Use #745BB5 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.