#4A478E
Closest named color: Blueberry (#464196). oklch(43.8% 0.114 282.5), rgb(74, 71, 142).
Aa
White text reads best on this color (8.12:1).
About this color
#4A478E is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.114 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.023 away. White text reads best on it, at 8.12:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #4A478E |
| RGB | rgb(74, 71, 142) |
| HSL | hsl(243, 33%, 42%) |
| OKLCH | oklch(43.8% 0.114 282.5) |
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 #4A478E | 8.12:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #4A478E | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #4A478E text on white | 8.12:1 | AAA | Lc 88.0 | Fine for body text |
| #4A478E 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
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D5D7F2
oklch(88.6% 0.037 282.2)
-
Step 300
300
#B9BCEB
oklch(80.9% 0.066 281.9)
-
Step 400
400
#9798E1
oklch(70.7% 0.106 282.7)
-
Step 500
500
#7E7DD9
oklch(63.1% 0.136 282.3)
-
Step 600
600
#6964C6
oklch(55.6% 0.148 282.8)
-
Step 700
700
#5752AB
oklch(49% 0.138 282.6)
-
Step 800
800 (this color)
#4A478E
oklch(43.8% 0.114 282.5)
-
Step 900
900
#3B3A6F
oklch(37.7% 0.089 282.1)
-
Step 950
950
#232241
oklch(27% 0.057 283.4)
#4A478E 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) | #285291 | 0.048 |
| Deuteranopia (no green cones) | #244D8C | 0.048 |
| Tritanopia (no blue cones) | #335663 | 0.099 |
| Achromatopsia (no color) | #4F4F4F | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A478E
#4A478E
oklch(43.8% 0.114 282.5)
- #5C5300
#5C5300
oklch(43.7% 0.092 102.2)
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 #4A478E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.023
- Dark Slate Blue #483D8B ΔE 0.027
- Twilight #4E518B ΔE 0.030
- Dusk #4E5481 ΔE 0.047
- Dusk Blue #26538D ΔE 0.052
- Cobalt #1E488F ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.063
Use #4A478E 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.