#45366B
Closest named color: Dark Slate Blue (#483D8B). oklch(37.6% 0.089 294.8), rgb(69, 54, 107).
Aa
White text reads best on this color (10.53:1).
About this color
#45366B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.089 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.53:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #45366B |
| RGB | rgb(69, 54, 107) |
| HSL | hsl(257, 33%, 32%) |
| OKLCH | oklch(37.6% 0.089 294.8) |
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 #45366B | 10.53:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #45366B | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #45366B text on white | 10.53:1 | AAA | Lc 94.3 | Preferred for body text |
| #45366B text on black | 1.99:1 | Fails | Lc -8.3 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C3B9E8
oklch(81% 0.066 294.6)
-
Step 400
400
#A593DC
oklch(70.7% 0.106 294.9)
-
Step 500
500
#9077D3
oklch(63.2% 0.136 294.7)
-
Step 600
600
#7B5EC0
oklch(55.7% 0.148 294.8)
-
Step 700
700
#684DA6
oklch(49.2% 0.138 294.8)
-
Step 800
800
#543F86
oklch(42.6% 0.114 294.7)
-
Step 900
900 (this color)
#45366B
oklch(37.6% 0.089 294.8)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#45366B 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) | #243F6D | 0.052 |
| Deuteranopia (no green cones) | #273E6A | 0.049 |
| Tritanopia (no blue cones) | #3C404B | 0.072 |
| Achromatopsia (no color) | #3F3F3F | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45366B
#45366B
oklch(37.6% 0.089 294.8)
- #404600
#404600
oklch(37.6% 0.085 115.2)
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 #45366B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.072
- Twilight Blue #0A437A ΔE 0.073
- Blueberry #464196 ΔE 0.074
- Marine Blue #01386A ΔE 0.079
- Dark Blue Grey #1F3B4D ΔE 0.083
- Cobalt #1E488F ΔE 0.083
Use #45366B 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.