#53438D
Closest named color: Dark Slate Blue (#483D8B). oklch(43.7% 0.118 290.6), rgb(83, 67, 141).
Aa
White text reads best on this color (8.21:1).
About this color
#53438D is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.118 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 0.026 away. White text reads best on it, at 8.21:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #53438D |
| RGB | rgb(83, 67, 141) |
| HSL | hsl(253, 36%, 41%) |
| OKLCH | oklch(43.7% 0.118 290.6) |
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 #53438D | 8.21:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #53438D | 2.55:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #53438D text on white | 8.21:1 | AAA | Lc 88.2 | Fine for body text |
| #53438D text on black | 2.55:1 | Fails | Lc -14.0 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F1
oklch(88.4% 0.038 290.5)
-
Step 300
300
#C0B9EB
oklch(80.8% 0.07 291.2)
-
Step 400
400
#A094E0
oklch(70.6% 0.11 290.5)
-
Step 500
500
#8A78D8
oklch(63.1% 0.141 290.4)
-
Step 600
600
#755FC5
oklch(55.6% 0.153 290.5)
-
Step 700
700
#634EAA
oklch(49.2% 0.142 290.8)
-
Step 800
800 (this color)
#53438D
oklch(43.7% 0.118 290.6)
-
Step 900
900
#42376E
oklch(37.7% 0.092 290.5)
-
Step 950
950
#272141
oklch(27.2% 0.058 290.6)
#53438D 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) | #245090 | 0.066 |
| Deuteranopia (no green cones) | #264D8B | 0.063 |
| Tritanopia (no blue cones) | #435261 | 0.097 |
| Achromatopsia (no color) | #4F4F4F | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53438D
#53438D
oklch(43.7% 0.118 290.6)
- #555600
#555600
oklch(43.8% 0.096 110.6)
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 #53438D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.027
- Twilight #4E518B ΔE 0.039
- Rebecca Purple #663399 ΔE 0.052
- Dusk #4E5481 ΔE 0.055
- Dusk Blue #26538D ΔE 0.068
- Cobalt #1E488F ΔE 0.069
- Denim Blue #3B5B92 ΔE 0.069
Use #53438D 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.