#745BB4
Closest named color: Iris (#6258C4). oklch(53.8% 0.136 294.3), rgb(116, 91, 180).
Aa
White text reads best on this color (5.38:1).
About this color
#745BB4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.136 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 5.38:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #745BB4 |
| RGB | rgb(116, 91, 180) |
| HSL | hsl(257, 37%, 53%) |
| OKLCH | oklch(53.8% 0.136 294.3) |
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 #745BB4 | 5.38:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #745BB4 | 3.89:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #745BB4 text on white | 5.38:1 | AA | Lc 76.7 | Fine for body text |
| #745BB4 text on black | 3.89:1 | AA large text | Lc -25.1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
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
#A495D8
oklch(70.8% 0.098 294)
-
Step 500
500
#8F79CD
oklch(63.1% 0.125 294.6)
-
Step 600
600 (this color)
#745BB4
oklch(53.8% 0.136 294.3)
-
Step 700
700
#664FA0
oklch(49% 0.126 294.3)
-
Step 800
800
#534182
oklch(42.6% 0.105 294.2)
-
Step 900
900
#453868
oklch(37.8% 0.081 294.7)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#745BB4 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) | #3B6BB7 | 0.081 |
| Deuteranopia (no green cones) | #3F69B2 | 0.077 |
| Tritanopia (no blue cones) | #656C7F | 0.109 |
| Achromatopsia (no color) | #6A6A6A | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745BB4
#745BB4
oklch(53.8% 0.136 294.3)
- #6D7500
#6D7500
oklch(53.7% 0.121 114.4)
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 #745BB4, closest first.
No curated palette has a color within ΔE 0.04 of #745BB4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.044
- Deep Lavender #8D5EB7 ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.049
- Dark Lavender #856798 ΔE 0.068
- Amethyst #9B5FC0 ΔE 0.071
- Muted Purple #805B87 ΔE 0.075
Use #745BB4 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.