#47377E
Closest named color: Dark Slate Blue (#483D8B). oklch(39.3% 0.115 290.5), rgb(71, 55, 126).
Aa
White text reads best on this color (9.92:1).
About this color
#47377E is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.115 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.92:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.92:1 |
Values
| HEX | #47377E |
| RGB | rgb(71, 55, 126) |
| HSL | hsl(254, 39%, 35%) |
| OKLCH | oklch(39.3% 0.115 290.5) |
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 #47377E | 9.92:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #47377E | 2.11:1 | Fails | Lc 11.1 | Not readable |
| #47377E text on white | 9.92:1 | AAA | Lc 92.8 | Preferred for body text |
| #47377E text on black | 2.11:1 | Fails | Lc -9.7 | 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
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F7
oklch(88.4% 0.048 290.6)
-
Step 300
300
#C0B7F5
oklch(80.8% 0.087 291)
-
Step 400
400
#A190F0
oklch(70.8% 0.138 290.6)
-
Step 500
500
#8B71EB
oklch(63.1% 0.177 290.2)
-
Step 600
600
#7755D9
oklch(55.5% 0.193 290.6)
-
Step 700
700
#6445BC
oklch(49.1% 0.178 290.3)
-
Step 800
800
#523998
oklch(42.7% 0.148 290.9)
-
Step 900
900 (this color)
#47377E
oklch(39.3% 0.115 290.5)
-
Step 950
950
#271E47
oklch(26.9% 0.074 290.7)
#47377E 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) | #144480 | 0.067 |
| Deuteranopia (no green cones) | #17417C | 0.065 |
| Tritanopia (no blue cones) | #384655 | 0.094 |
| Achromatopsia (no color) | #434343 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47377E
#47377E
oklch(39.3% 0.115 290.5)
- #494900
#494900
oklch(39.2% 0.086 109.8)
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 #47377E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.045
- Cobalt #1E488F ΔE 0.068
- Rebecca Purple #663399 ΔE 0.072
- Twilight #4E518B ΔE 0.073
- Twilight Blue #0A437A ΔE 0.074
- Dusk #4E5481 ΔE 0.083
- Dusk Blue #26538D ΔE 0.083
Use #47377E 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.