#45337D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.12 290.8), rgb(69, 51, 125).
Aa
White text reads best on this color (10.38:1).
About this color
#45337D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.120 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 10.38:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #45337D |
| RGB | rgb(69, 51, 125) |
| HSL | hsl(255, 42%, 35%) |
| OKLCH | oklch(38.3% 0.12 290.8) |
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 #45337D | 10.38:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #45337D | 2.02:1 | Fails | Lc 10.1 | Not readable |
| #45337D text on white | 10.38:1 | AAA | Lc 93.8 | Preferred for body text |
| #45337D text on black | 2.02:1 | Fails | Lc -8.7 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4F9
oklch(88.5% 0.051 290.3)
-
Step 300
300
#C0B7F7
oklch(80.9% 0.09 290.7)
-
Step 400
400
#A18FF3
oklch(70.7% 0.144 290.5)
-
Step 500
500
#8C6FEE
oklch(63.1% 0.184 290.7)
-
Step 600
600
#7853DD
oklch(55.6% 0.2 290.8)
-
Step 700
700
#6542C0
oklch(49.1% 0.187 290.6)
-
Step 800
800
#52389B
oklch(42.7% 0.154 290.5)
-
Step 900
900 (this color)
#45337D
oklch(38.3% 0.12 290.8)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#45337D 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) | #06417F | 0.074 |
| Deuteranopia (no green cones) | #0C3E7B | 0.071 |
| Tritanopia (no blue cones) | #354353 | 0.097 |
| Achromatopsia (no color) | #404040 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45337D
#45337D
oklch(38.3% 0.12 290.8)
- #454700
#454700
oklch(38.3% 0.085 111.6)
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 #45337D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.052
- Cobalt #1E488F ΔE 0.073
- Twilight Blue #0A437A ΔE 0.075
- Rebecca Purple #663399 ΔE 0.077
- Indigo #4B0082 ΔE 0.078
- Twilight #4E518B ΔE 0.084
- Marine Blue #01386A ΔE 0.087
Use #45337D 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.