#745FBC
Closest named color: Slate Blue (#6A5ACD). oklch(55% 0.141 291.5), rgb(116, 95, 188).
Aa
White text reads best on this color (5.11:1).
About this color
#745FBC is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.141 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.035 away. White text reads best on it, at 5.11:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #745FBC |
| RGB | rgb(116, 95, 188) |
| HSL | hsl(254, 41%, 55%) |
| OKLCH | oklch(55% 0.141 291.5) |
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 #745FBC | 5.11:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #745FBC | 4.10:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #745FBC text on white | 5.11:1 | AA | Lc 75.1 | Fine for body text |
| #745FBC text on black | 4.10:1 | AA large text | Lc -26.6 | 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
#D9D6EF
oklch(88.6% 0.034 291.2)
-
Step 300
300
#C0BAE7
oklch(80.9% 0.063 291)
-
Step 400
400
#A195DB
oklch(70.7% 0.102 291.4)
-
Step 500
500
#8B79D1
oklch(63% 0.13 291.6)
-
Step 600
600 (this color)
#745FBC
oklch(55% 0.141 291.5)
-
Step 700
700
#6350A4
oklch(49.2% 0.13 291.3)
-
Step 800
800
#514285
oklch(42.8% 0.108 291.5)
-
Step 900
900
#43386A
oklch(37.7% 0.084 292)
-
Step 950
950
#27213E
oklch(27% 0.053 291.9)
#745FBC 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) | #3B6FBF | 0.078 |
| Deuteranopia (no green cones) | #3E6CBA | 0.075 |
| Tritanopia (no blue cones) | #617285 | 0.116 |
| Achromatopsia (no color) | #6E6E6E | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #745FBC
#745FBC
oklch(55% 0.141 291.5)
- #757700
#757700
oklch(54.9% 0.121 110.9)
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 #745FBC, closest first.
No curated palette has a color within ΔE 0.04 of #745FBC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.035
- Light Indigo #6D5ACF ΔE 0.036
- Iris #6258C4 ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.067
- Dark Lavender #856798 ΔE 0.071
- Deep Lilac #966EBD ΔE 0.071
Use #745FBC 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.