#745DBC
Closest named color: Slate Blue (#6A5ACD). oklch(54.6% 0.144 292.1), rgb(116, 93, 188).
Aa
White text reads best on this color (5.20:1).
About this color
#745DBC is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.144 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.033 away. White text reads best on it, at 5.20:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #745DBC |
| RGB | rgb(116, 93, 188) |
| HSL | hsl(255, 41%, 55%) |
| OKLCH | oklch(54.6% 0.144 292.1) |
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 #745DBC | 5.20:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #745DBC | 4.03:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #745DBC text on white | 5.20:1 | AA | Lc 75.6 | Fine for body text |
| #745DBC text on black | 4.03:1 | AA large text | Lc -26.1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C1BAE8
oklch(81% 0.065 291.9)
-
Step 400
400
#A295DC
oklch(70.8% 0.103 292)
-
Step 500
500
#8C79D2
oklch(63.1% 0.132 292)
-
Step 600
600 (this color)
#745DBC
oklch(54.6% 0.144 292.1)
-
Step 700
700
#644FA5
oklch(49.1% 0.133 292)
-
Step 800
800
#514186
oklch(42.7% 0.111 291.7)
-
Step 900
900
#43386B
oklch(37.8% 0.085 291.7)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#745DBC 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) | #376EBF | 0.083 |
| Deuteranopia (no green cones) | #3B6BBA | 0.079 |
| Tritanopia (no blue cones) | #627084 | 0.116 |
| Achromatopsia (no color) | #6D6D6D | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745DBC
#745DBC
oklch(54.6% 0.144 292.1)
- #737700
#737700
oklch(54.7% 0.121 112.1)
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 #745DBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.033
- Light Indigo #6D5ACF ΔE 0.034
- Iris #6258C4 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.044
- Amethyst #9B5FC0 ΔE 0.068
- Purpley #8756E4 ΔE 0.071
- Dark Lavender #856798 ΔE 0.074
Use #745DBC 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.