#4B478D
Closest named color: Blueberry (#464196). oklch(43.8% 0.112 283.3), rgb(75, 71, 141).
Aa
White text reads best on this color (8.12:1).
About this color
#4B478D is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.112 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 8.12:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #4B478D |
| RGB | rgb(75, 71, 141) |
| HSL | hsl(243, 33%, 42%) |
| OKLCH | oklch(43.8% 0.112 283.3) |
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 #4B478D | 8.12:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #4B478D | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #4B478D text on white | 8.12:1 | AAA | Lc 87.9 | Fine for body text |
| #4B478D text on black | 2.58:1 | Fails | Lc -14.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D5D7F1
oklch(88.6% 0.036 282.1)
-
Step 300
300
#BABCEA
oklch(80.9% 0.065 282.9)
-
Step 400
400
#9898E0
oklch(70.8% 0.104 283.4)
-
Step 500
500
#807DD7
oklch(63.2% 0.133 283.4)
-
Step 600
600
#6A64C5
oklch(55.6% 0.146 283.4)
-
Step 700
700
#5852AA
oklch(49% 0.136 283.2)
-
Step 800
800 (this color)
#4B478D
oklch(43.8% 0.112 283.3)
-
Step 900
900
#3C3A6E
oklch(37.7% 0.087 283.1)
-
Step 950
950
#232240
oklch(26.9% 0.055 283.6)
#4B478D 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) | #295290 | 0.048 |
| Deuteranopia (no green cones) | #264D8B | 0.048 |
| Tritanopia (no blue cones) | #355663 | 0.097 |
| Achromatopsia (no color) | #505050 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B478D
#4B478D
oklch(43.8% 0.112 283.3)
- #5B5400
#5B5400
oklch(43.9% 0.093 104)
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 #4B478D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.027
- Twilight #4E518B ΔE 0.029
- Dusk #4E5481 ΔE 0.046
- Dusk Blue #26538D ΔE 0.052
- Cobalt #1E488F ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.063
Use #4B478D 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.