#53428D
Closest named color: Dark Slate Blue (#483D8B). oklch(43.5% 0.12 291), rgb(83, 66, 141).
Aa
White text reads best on this color (8.29:1).
About this color
#53428D is a dark, moderately saturated purple. In OKLCH its lightness is 44%, 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 0.024 away. White text reads best on it, at 8.29:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #53428D |
| RGB | rgb(83, 66, 141) |
| HSL | hsl(254, 36%, 41%) |
| OKLCH | oklch(43.5% 0.12 291) |
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 #53428D | 8.29:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #53428D | 2.53:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #53428D text on white | 8.29:1 | AAA | Lc 88.4 | Fine for body text |
| #53428D text on black | 2.53:1 | Fails | Lc -13.7 | 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 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
#D9D5F2
oklch(88.5% 0.04 291.9)
-
Step 300
300
#C0B9EB
oklch(80.8% 0.07 291.2)
-
Step 400
400
#A194E1
oklch(70.8% 0.111 291)
-
Step 500
500
#8B77D8
oklch(63% 0.143 291.2)
-
Step 600
600
#765EC6
oklch(55.6% 0.156 291.1)
-
Step 700
700
#634DAB
oklch(49.1% 0.145 290.9)
-
Step 800
800 (this color)
#53428D
oklch(43.5% 0.12 291)
-
Step 900
900
#43376F
oklch(37.8% 0.093 291.1)
-
Step 950
950
#272041
oklch(26.9% 0.06 291.6)
#53428D 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) | #224F90 | 0.068 |
| Deuteranopia (no green cones) | #244D8B | 0.066 |
| Tritanopia (no blue cones) | #435161 | 0.097 |
| Achromatopsia (no color) | #4E4E4E | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53428D
#53428D
oklch(43.5% 0.12 291)
- #545600
#545600
oklch(43.7% 0.096 111.3)
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 #53428D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.024
- Blueberry #464196 ΔE 0.027
- Twilight #4E518B ΔE 0.041
- Rebecca Purple #663399 ΔE 0.051
- Dusk #4E5481 ΔE 0.057
- Cobalt #1E488F ΔE 0.069
- Dusk Blue #26538D ΔE 0.070
- Denim Blue #3B5B92 ΔE 0.072
Use #53428D 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.