#47477B
Closest named color: Twilight (#4E518B). oklch(42.3% 0.085 282.1), rgb(71, 71, 123).
Aa
White text reads best on this color (8.55:1).
About this color
#47477B is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.085 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.038 away. White text reads best on it, at 8.55:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #47477B |
| RGB | rgb(71, 71, 123) |
| HSL | hsl(240, 27%, 38%) |
| OKLCH | oklch(42.3% 0.085 282.1) |
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 #47477B | 8.55:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #47477B | 2.45:1 | Fails | Lc 14.7 | Not readable |
| #47477B text on white | 8.55:1 | AAA | Lc 89.3 | Fine for body text |
| #47477B text on black | 2.45:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BBBDE1
oklch(80.9% 0.051 282.7)
-
Step 400
400
#989BD2
oklch(70.7% 0.08 281.7)
-
Step 500
500
#8081C6
oklch(63.1% 0.103 282.4)
-
Step 600
600
#6A6AB2
oklch(55.6% 0.11 282.2)
-
Step 700
700
#585899
oklch(49.1% 0.103 281.9)
-
Step 800
800 (this color)
#47477B
oklch(42.3% 0.085 282.1)
-
Step 900
900
#3C3D64
oklch(37.8% 0.066 281.6)
-
Step 950
950
#23243B
oklch(27.1% 0.043 281.2)
#47477B 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) | #354E7D | 0.030 |
| Deuteranopia (no green cones) | #324A7A | 0.030 |
| Tritanopia (no blue cones) | #37515B | 0.073 |
| Achromatopsia (no color) | #4C4C4C | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47477B
#47477B
oklch(42.3% 0.085 282.1)
- #574F07
#574F07
oklch(42.3% 0.085 102.4)
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 #47477B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.038
- Dusk #4E5481 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.050
- Dusk Blue #26538D ΔE 0.052
- Light Navy #155084 ΔE 0.056
- Dusty Grape #545775 ΔE 0.057
- Cobalt #1E488F ΔE 0.058
Use #47477B 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.