#45406E
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.076 287.4), rgb(69, 64, 110).
Aa
White text reads best on this color (9.49:1).
About this color
#45406E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.076 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 9.49:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #45406E |
| RGB | rgb(69, 64, 110) |
| HSL | hsl(247, 26%, 34%) |
| OKLCH | oklch(39.8% 0.076 287.4) |
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 #45406E | 9.49:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #45406E | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #45406E text on white | 9.49:1 | AAA | Lc 91.9 | Preferred for body text |
| #45406E text on black | 2.21:1 | Fails | Lc -10.5 | Not readable |
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 900.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BEBCE4
oklch(81% 0.056 287.4)
-
Step 400
400
#9D98D7
oklch(70.7% 0.091 287.5)
-
Step 500
500
#867DCC
oklch(63.1% 0.117 287.8)
-
Step 600
600
#7065B9
oklch(55.6% 0.127 287.5)
-
Step 700
700
#5E54A0
oklch(49.2% 0.118 287.2)
-
Step 800
800
#4D4581
oklch(42.8% 0.097 287.7)
-
Step 900
900 (this color)
#45406E
oklch(39.8% 0.076 287.4)
-
Step 950
950
#25223D
oklch(26.9% 0.05 287.7)
#45406E 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) | #314770 | 0.033 |
| Deuteranopia (no green cones) | #31446D | 0.031 |
| Tritanopia (no blue cones) | #3A4951 | 0.066 |
| Achromatopsia (no color) | #464646 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45406E
#45406E
oklch(39.8% 0.076 287.4)
- #4C4A10
#4C4A10
oklch(39.9% 0.076 107.4)
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 #45406E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.058
- Dusk #4E5481 ΔE 0.064
- Twilight #4E518B ΔE 0.065
- Twilight Blue #0A437A ΔE 0.065
- Blueberry #464196 ΔE 0.067
- Light Navy #155084 ΔE 0.069
- Cobalt #1E488F ΔE 0.070
Use #45406E 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.