#473B7F
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.111 288.5), rgb(71, 59, 127).
Aa
White text reads best on this color (9.54:1).
About this color
#473B7F is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.111 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.020 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #473B7F |
| RGB | rgb(71, 59, 127) |
| HSL | hsl(251, 37%, 36%) |
| OKLCH | oklch(40.1% 0.111 288.5) |
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 #473B7F | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #473B7F | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #473B7F text on white | 9.54:1 | AAA | Lc 91.9 | Preferred for body text |
| #473B7F text on black | 2.19:1 | Fails | Lc -10.5 | 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
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F7
oklch(88.5% 0.047 288.1)
-
Step 300
300
#BEB8F4
oklch(80.8% 0.084 288.9)
-
Step 400
400
#9E92EE
oklch(70.8% 0.132 288.5)
-
Step 500
500
#8874E8
oklch(63.2% 0.169 288.5)
-
Step 600
600
#7359D6
oklch(55.6% 0.184 288.5)
-
Step 700
700
#6148BA
oklch(49.2% 0.171 288.5)
-
Step 800
800
#4F3C96
oklch(42.7% 0.141 288.7)
-
Step 900
900 (this color)
#473B7F
oklch(40.1% 0.111 288.5)
-
Step 950
950
#261F46
oklch(27% 0.07 289.1)
#473B7F 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) | #1D4781 | 0.059 |
| Deuteranopia (no green cones) | #1D447D | 0.058 |
| Tritanopia (no blue cones) | #374957 | 0.091 |
| Achromatopsia (no color) | #454545 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473B7F
#473B7F
oklch(40.1% 0.111 288.5)
- #4C4B00
#4C4B00
oklch(40.1% 0.087 108.9)
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 #473B7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.020
- Blueberry #464196 ΔE 0.040
- Cobalt #1E488F ΔE 0.061
- Twilight #4E518B ΔE 0.063
- Twilight Blue #0A437A ΔE 0.070
- Rebecca Purple #663399 ΔE 0.072
- Dusk #4E5481 ΔE 0.072
- Dusk Blue #26538D ΔE 0.073
Use #473B7F 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.