#50437D
Closest named color: Dark Slate Blue (#483D8B). oklch(42.4% 0.094 292.2), rgb(80, 67, 125).
Aa
White text reads best on this color (8.60:1).
About this color
#50437D is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.094 and its hue 292°. 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 8.60:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.44:1 |
| White text | 8.60:1 |
Values
| HEX | #50437D |
| RGB | rgb(80, 67, 125) |
| HSL | hsl(253, 30%, 38%) |
| OKLCH | oklch(42.4% 0.094 292.2) |
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 #50437D | 8.60:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #50437D | 2.44:1 | Fails | Lc 14.5 | Not readable |
| #50437D text on white | 8.60:1 | AAA | Lc 89.4 | Fine for body text |
| #50437D text on black | 2.44:1 | Fails | Lc -12.8 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#D9D6EC
oklch(88.5% 0.03 292)
-
Step 300
300
#C1BBE2
oklch(81% 0.055 292.2)
-
Step 400
400
#A297D3
oklch(70.8% 0.087 292.4)
-
Step 500
500
#8B7CC8
oklch(63.1% 0.113 291.9)
-
Step 600
600
#7664B4
oklch(55.6% 0.122 292.3)
-
Step 700
700
#63529B
oklch(49% 0.114 292.4)
-
Step 800
800 (this color)
#50437D
oklch(42.4% 0.094 292.2)
-
Step 900
900
#433A65
oklch(37.8% 0.072 292.2)
-
Step 950
950
#27223B
oklch(27% 0.046 292.2)
#50437D 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) | #304D7F | 0.050 |
| Deuteranopia (no green cones) | #314B7C | 0.048 |
| Tritanopia (no blue cones) | #454E5A | 0.077 |
| Achromatopsia (no color) | #4C4C4C | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50437D
#50437D
oklch(42.4% 0.094 292.2)
- #505300
#505300
oklch(42.5% 0.094 112.2)
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 #50437D, 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
- Twilight #4E518B ΔE 0.041
- Blueberry #464196 ΔE 0.046
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.064
- Dusk Blue #26538D ΔE 0.067
- Cobalt #1E488F ΔE 0.069
- Denim Blue #3B5B92 ΔE 0.072
Use #50437D 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.