#47337E
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.122 292), rgb(71, 51, 126).
Aa
White text reads best on this color (10.28:1).
About this color
#47337E is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.122 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 0.032 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #47337E |
| RGB | rgb(71, 51, 126) |
| HSL | hsl(256, 42%, 35%) |
| OKLCH | oklch(38.5% 0.122 292) |
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 #47337E | 10.28:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #47337E | 2.04:1 | Fails | Lc 10.4 | Not readable |
| #47337E text on white | 10.28:1 | AAA | Lc 93.6 | Preferred for body text |
| #47337E text on black | 2.04:1 | Fails | Lc -8.9 | 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 900.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D4F9
oklch(88.6% 0.051 291.5)
-
Step 300
300
#C1B6F7
oklch(80.8% 0.091 292)
-
Step 400
400
#A38EF3
oklch(70.7% 0.145 291.8)
-
Step 500
500
#8F6EEF
oklch(63.2% 0.186 292)
-
Step 600
600
#7A51DD
oklch(55.5% 0.203 291.9)
-
Step 700
700
#6741C0
oklch(49.1% 0.188 291.7)
-
Step 800
800
#54369B
oklch(42.6% 0.156 292.1)
-
Step 900
900 (this color)
#47337E
oklch(38.5% 0.122 292)
-
Step 950
950
#281D48
oklch(26.9% 0.077 292.2)
#47337E 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) | #064280 | 0.077 |
| Deuteranopia (no green cones) | #0D3F7C | 0.074 |
| Tritanopia (no blue cones) | #384353 | 0.098 |
| Achromatopsia (no color) | #414141 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47337E
#47337E
oklch(38.5% 0.122 292)
- #454800
#454800
oklch(38.6% 0.086 112.5)
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 #47337E, 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 0.051
- Rebecca Purple #663399 ΔE 0.073
- Cobalt #1E488F ΔE 0.074
- Indigo #4B0082 ΔE 0.078
- Twilight Blue #0A437A ΔE 0.078
- Twilight #4E518B ΔE 0.083
- Royal Purple #4B006E ΔE 0.088
Use #47337E 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.