#45308B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.144 288.5), rgb(69, 48, 139).
Aa
White text reads best on this color (10.25:1).
About this color
#45308B is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.144 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 10.25:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #45308B |
| RGB | rgb(69, 48, 139) |
| HSL | hsl(254, 49%, 37%) |
| OKLCH | oklch(38.9% 0.144 288.5) |
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 #45308B | 10.25:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #45308B | 2.04:1 | Fails | Lc 10.6 | Not readable |
| #45308B text on white | 10.25:1 | AAA | Lc 93.3 | Preferred for body text |
| #45308B text on black | 2.04:1 | Fails | Lc -9.1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FE
oklch(93.6% 0.031 287.8)
-
Step 200
200
#D7D4FF
oklch(88.6% 0.059 288.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9E8DFF
oklch(70.8% 0.163 288.4)
-
Step 500
500
#896AFF
oklch(63.1% 0.212 288.4)
-
Step 600
600
#7647F3
oklch(55.6% 0.24 288.5)
-
Step 700
700
#6436D4
oklch(49.1% 0.224 288.6)
-
Step 800
800
#512FAB
oklch(42.7% 0.185 288.6)
-
Step 900
900 (this color)
#45308B
oklch(38.9% 0.144 288.5)
-
Step 950
950
#261B4F
oklch(26.9% 0.091 288.4)
#45308B 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) | #00438E | 0.078 |
| Deuteranopia (no green cones) | #003E89 | 0.076 |
| Tritanopia (no blue cones) | #2D4659 | 0.118 |
| Achromatopsia (no color) | #414141 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45308B
#45308B
oklch(38.9% 0.144 288.5)
- #494800
#494800
oklch(39% 0.084 108.8)
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 #45308B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.044
- Imperial Purple #480CA8 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.067
- Indigo #4B0082 ΔE 0.071
- Cobalt #1E488F ΔE 0.073
- Sapphire #2138AB ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.075
Use #45308B 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.