#473F7C
Closest named color: Dark Slate Blue (#483D8B). oklch(40.7% 0.1 287.1), rgb(71, 63, 124).
Aa
White text reads best on this color (9.25:1).
About this color
#473F7C is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.100 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 9.25:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #473F7C |
| RGB | rgb(71, 63, 124) |
| HSL | hsl(248, 33%, 37%) |
| OKLCH | oklch(40.7% 0.1 287.1) |
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 #473F7C | 9.25:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #473F7C | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #473F7C text on white | 9.25:1 | AAA | Lc 91.2 | Preferred for body text |
| #473F7C text on black | 2.26:1 | Fails | Lc -11.2 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BDBCE5
oklch(81% 0.057 286.2)
-
Step 400
400
#9C98D8
oklch(70.7% 0.093 286.6)
-
Step 500
500
#857DCD
oklch(63% 0.119 287.1)
-
Step 600
600
#7065BA
oklch(55.6% 0.129 287.4)
-
Step 700
700
#5E53A1
oklch(49.1% 0.121 287.5)
-
Step 800
800 (this color)
#473F7C
oklch(40.7% 0.1 287.1)
-
Step 900
900
#3F3A68
oklch(37.6% 0.077 287)
-
Step 950
950
#25223D
oklch(26.9% 0.05 287.7)
#473F7C 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) | #27497E | 0.048 |
| Deuteranopia (no green cones) | #27467B | 0.046 |
| Tritanopia (no blue cones) | #384B57 | 0.084 |
| Achromatopsia (no color) | #474747 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473F7C
#473F7C
oklch(40.7% 0.1 287.1)
- #4F4C00
#4F4C00
oklch(40.6% 0.087 107.1)
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 #473F7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.043
- Twilight #4E518B ΔE 0.055
- Cobalt #1E488F ΔE 0.059
- Dusk #4E5481 ΔE 0.062
- Dusk Blue #26538D ΔE 0.066
- Twilight Blue #0A437A ΔE 0.067
- Light Navy #155084 ΔE 0.067
Use #473F7C 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.