#53437E
Closest named color: Dark Slate Blue (#483D8B). oklch(42.8% 0.096 294.5), rgb(83, 67, 126).
Aa
White text reads best on this color (8.49:1).
About this color
#53437E is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.096 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 8.49:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #53437E |
| RGB | rgb(83, 67, 126) |
| HSL | hsl(256, 31%, 38%) |
| OKLCH | oklch(42.8% 0.096 294.5) |
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 #53437E | 8.49:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #53437E | 2.47:1 | Fails | Lc 14.9 | Not readable |
| #53437E text on white | 8.49:1 | AAA | Lc 89.1 | Fine for body text |
| #53437E text on black | 2.47:1 | Fails | Lc -13.1 | 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
#F5F4FA
oklch(97% 0.008 293.9)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD6EC
oklch(88.6% 0.03 294.1)
-
Step 300
300
#C2BAE2
oklch(80.9% 0.056 294.3)
-
Step 400
400
#A496D3
oklch(70.8% 0.089 294.6)
-
Step 500
500
#8E7BC8
oklch(63.2% 0.115 294.2)
-
Step 600
600
#7963B4
oklch(55.7% 0.124 294.6)
-
Step 700
700
#66519B
oklch(49.1% 0.116 294.8)
-
Step 800
800 (this color)
#53437E
oklch(42.8% 0.096 294.5)
-
Step 900
900
#443965
oklch(37.7% 0.074 294)
-
Step 950
950
#28223B
oklch(27.1% 0.046 294.1)
#53437E 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) | #304D80 | 0.055 |
| Deuteranopia (no green cones) | #334C7D | 0.051 |
| Tritanopia (no blue cones) | #494E5A | 0.078 |
| Achromatopsia (no color) | #4D4D4D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53437E
#53437E
oklch(42.8% 0.096 294.5)
- #4E5401
#4E5401
oklch(42.6% 0.096 114.5)
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 #53437E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Twilight #4E518B ΔE 0.040
- Blueberry #464196 ΔE 0.046
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.068
- Dusk Blue #26538D ΔE 0.070
- Denim Blue #3B5B92 ΔE 0.072
Use #53437E 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.