#473B75
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.096 290.9), rgb(71, 59, 117).
Aa
White text reads best on this color (9.76:1).
About this color
#473B75 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 9.76:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #473B75 |
| RGB | rgb(71, 59, 117) |
| HSL | hsl(252, 33%, 35%) |
| OKLCH | oklch(39.4% 0.096 290.9) |
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 #473B75 | 9.76:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #473B75 | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #473B75 text on white | 9.76:1 | AAA | Lc 92.5 | Preferred for body text |
| #473B75 text on black | 2.15:1 | Fails | Lc -9.9 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F2
oklch(88.4% 0.04 290.3)
-
Step 300
300
#C0B9EC
oklch(80.9% 0.072 291)
-
Step 400
400
#A193E3
oklch(70.7% 0.116 291.2)
-
Step 500
500
#8B77DA
oklch(63.1% 0.146 290.9)
-
Step 600
600
#765DC8
oklch(55.6% 0.16 291.1)
-
Step 700
700
#634CAD
oklch(49.1% 0.149 290.8)
-
Step 800
800
#513F8C
oklch(42.7% 0.123 291.1)
-
Step 900
900 (this color)
#473B75
oklch(39.4% 0.096 290.9)
-
Step 950
950
#272042
oklch(27% 0.062 291.2)
#473B75 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) | #264577 | 0.051 |
| Deuteranopia (no green cones) | #274374 | 0.049 |
| Tritanopia (no blue cones) | #3B4652 | 0.078 |
| Achromatopsia (no color) | #444444 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473B75
#473B75
oklch(39.4% 0.096 290.9)
- #494A00
#494A00
oklch(39.5% 0.087 110.7)
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 #473B75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Blueberry #464196 ΔE 0.055
- Twilight #4E518B ΔE 0.068
- Cobalt #1E488F ΔE 0.069
- Twilight Blue #0A437A ΔE 0.069
- Dusk #4E5481 ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.075
- Light Navy #155084 ΔE 0.076
Use #473B75 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.