#45336B
Closest named color: Dark Slate Blue (#483D8B). oklch(37% 0.094 296.3), rgb(69, 51, 107).
Aa
White text reads best on this color (10.83:1).
About this color
#45336B is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.094 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 10.83:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #45336B |
| RGB | rgb(69, 51, 107) |
| HSL | hsl(259, 35%, 31%) |
| OKLCH | oklch(37% 0.094 296.3) |
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 #45336B | 10.83:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #45336B | 1.93:1 | Fails | Lc 9.0 | Not readable |
| #45336B text on white | 10.83:1 | AAA | Lc 94.9 | Preferred for body text |
| #45336B text on black | 1.93:1 | Fails | Lc -7.7 | 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
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4F1
oklch(88.4% 0.04 296.6)
-
Step 300
300
#C4B8EA
oklch(80.9% 0.071 295.8)
-
Step 400
400
#A791DF
oklch(70.6% 0.114 296.3)
-
Step 500
500
#9374D6
oklch(63.1% 0.145 296.6)
-
Step 600
600
#7E5BC3
oklch(55.7% 0.157 296.5)
-
Step 700
700
#6A4AA8
oklch(49.1% 0.145 296.3)
-
Step 800
800
#563D88
oklch(42.6% 0.121 296.3)
-
Step 900
900 (this color)
#45336B
oklch(37% 0.094 296.3)
-
Step 950
950
#291F40
oklch(26.9% 0.061 296)
#45336B 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) | #1F3E6D | 0.060 |
| Deuteranopia (no green cones) | #233C6A | 0.055 |
| Tritanopia (no blue cones) | #3C3E4A | 0.075 |
| Achromatopsia (no color) | #3D3D3D | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45336B
#45336B
oklch(37% 0.094 296.3)
- #3D4500
#3D4500
oklch(37% 0.085 117)
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 #45336B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.073
- Blueberry #464196 ΔE 0.077
- Twilight Blue #0A437A ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.078
- Marine Blue #01386A ΔE 0.080
- Grape Purple #5D1451 ΔE 0.085
- Dark Blue Grey #1F3B4D ΔE 0.086
Use #45336B 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.