#47437C
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.093 284.8), rgb(71, 67, 124).
Aa
White text reads best on this color (8.89:1).
About this color
#47437C is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.093 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 8.89:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #47437C |
| RGB | rgb(71, 67, 124) |
| HSL | hsl(244, 30%, 37%) |
| OKLCH | oklch(41.5% 0.093 284.8) |
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 #47437C | 8.89:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #47437C | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #47437C text on white | 8.89:1 | AAA | Lc 90.3 | Preferred for body text |
| #47437C text on black | 2.36:1 | Fails | Lc -12.0 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BCBCE3
oklch(80.8% 0.055 285.1)
-
Step 400
400
#9A99D5
oklch(70.6% 0.087 284.7)
-
Step 500
500
#827FCA
oklch(63% 0.111 284.5)
-
Step 600
600
#6D67B7
oklch(55.6% 0.122 285.1)
-
Step 700
700
#5B569D
oklch(49.2% 0.111 284.7)
-
Step 800
800 (this color)
#47437C
oklch(41.5% 0.093 284.8)
-
Step 900
900
#3E3B66
oklch(37.6% 0.072 285.5)
-
Step 950
950
#24233C
oklch(27% 0.046 284.7)
#47437C 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) | #2E4C7E | 0.040 |
| Deuteranopia (no green cones) | #2C487B | 0.039 |
| Tritanopia (no blue cones) | #374E59 | 0.079 |
| Achromatopsia (no color) | #4A4A4A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47437C
#47437C
oklch(41.5% 0.093 284.8)
- #534E00
#534E00
oklch(41.5% 0.088 105.4)
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 #47437C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.044
- Twilight #4E518B ΔE 0.045
- Dusk #4E5481 ΔE 0.051
- Cobalt #1E488F ΔE 0.057
- Dusk Blue #26538D ΔE 0.058
- Light Navy #155084 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.067
Use #47437C 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.