#53397D
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.112 299), rgb(83, 57, 125).
Aa
White text reads best on this color (9.33:1).
About this color
#53397D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.112 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #53397D |
| RGB | rgb(83, 57, 125) |
| HSL | hsl(263, 37%, 36%) |
| OKLCH | oklch(40.8% 0.112 299) |
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 #53397D | 9.33:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #53397D | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #53397D text on white | 9.33:1 | AAA | Lc 91.3 | Preferred for body text |
| #53397D text on black | 2.24:1 | Fails | Lc -11.0 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EE
oklch(88.4% 0.036 299.7)
-
Step 300
300
#C6B8E6
oklch(80.9% 0.066 298.9)
-
Step 400
400
#A992D9
oklch(70.7% 0.104 298.6)
-
Step 500
500
#9575CE
oklch(63% 0.133 299.1)
-
Step 600
600
#805CBB
oklch(55.5% 0.145 299.1)
-
Step 700
700
#6C4BA1
oklch(49% 0.135 299.1)
-
Step 800
800 (this color)
#53397D
oklch(40.8% 0.112 299)
-
Step 900
900
#483669
oklch(37.8% 0.086 298.5)
-
Step 950
950
#2A203D
oklch(27% 0.054 298.6)
#53397D 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) | #20477F | 0.077 |
| Deuteranopia (no green cones) | #27467B | 0.071 |
| Tritanopia (no blue cones) | #4A4655 | 0.087 |
| Achromatopsia (no color) | #474747 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53397D
#53397D
oklch(40.8% 0.112 299)
- #455000
#455000
oklch(40.7% 0.095 118.4)
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 #53397D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.048
- Rebecca Purple #663399 ΔE 0.059
- Twilight #4E518B ΔE 0.065
- Dusk #4E5481 ΔE 0.073
- Cobalt #1E488F ΔE 0.081
- Dusk Blue #26538D ΔE 0.087
- Dusty Grape #545775 ΔE 0.089
Use #53397D 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.