#45388B
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.132 286), rgb(69, 56, 139).
Aa
White text reads best on this color (9.58:1).
About this color
#45388B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.132 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.014 away. White text reads best on it, at 9.58:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #45388B |
| RGB | rgb(69, 56, 139) |
| HSL | hsl(249, 43%, 38%) |
| OKLCH | oklch(40.2% 0.132 286) |
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 #45388B | 9.58:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #45388B | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #45388B text on white | 9.58:1 | AAA | Lc 91.9 | Preferred for body text |
| #45388B text on black | 2.19:1 | 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 800.
-
Step 50
50
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F5
oklch(88.6% 0.042 285.5)
-
Step 300
300
#BCBAF1
oklch(80.9% 0.077 286.2)
-
Step 400
400
#9A94EA
oklch(70.6% 0.124 285.9)
-
Step 500
500
#8377E4
oklch(63.1% 0.159 285.9)
-
Step 600
600
#6E5DD1
oklch(55.5% 0.172 286.1)
-
Step 700
700
#5C4CB5
oklch(49% 0.16 285.9)
-
Step 800
800 (this color)
#45388B
oklch(40.2% 0.132 286)
-
Step 900
900
#3E3775
oklch(37.8% 0.103 285.5)
-
Step 950
950
#242045
oklch(26.9% 0.067 285.9)
#45388B 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) | #00478E | 0.071 |
| Deuteranopia (no green cones) | #004389 | 0.070 |
| Tritanopia (no blue cones) | #2C4B5C | 0.110 |
| Achromatopsia (no color) | #454545 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45388B
#45388B
oklch(40.2% 0.132 286)
- #4F4B00
#4F4B00
oklch(40.4% 0.086 106.2)
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 #45388B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.014
- Blueberry #464196 ΔE 0.028
- Cobalt #1E488F ΔE 0.059
- Rebecca Purple #663399 ΔE 0.064
- Twilight #4E518B ΔE 0.070
- Sapphire #2138AB ΔE 0.072
- Twilight Blue #0A437A ΔE 0.076
- Dusk Blue #26538D ΔE 0.077
Use #45388B 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.