#4C478C
Closest named color: Blueberry (#464196). oklch(43.8% 0.111 284.1), rgb(76, 71, 140).
Aa
White text reads best on this color (8.11:1).
About this color
#4C478C is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.111 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #4C478C |
| RGB | rgb(76, 71, 140) |
| HSL | hsl(244, 33%, 41%) |
| OKLCH | oklch(43.8% 0.111 284.1) |
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 #4C478C | 8.11:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #4C478C | 2.58:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #4C478C text on white | 8.11:1 | AAA | Lc 87.9 | Fine for body text |
| #4C478C 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
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BBBCEA
oklch(81% 0.065 283.9)
-
Step 400
400
#9998DF
oklch(70.8% 0.103 284.1)
-
Step 500
500
#817DD6
oklch(63.2% 0.132 284)
-
Step 600
600
#6B64C3
oklch(55.6% 0.143 284)
-
Step 700
700
#5A52A9
oklch(49.1% 0.135 284.4)
-
Step 800
800 (this color)
#4C478C
oklch(43.8% 0.111 284.1)
-
Step 900
900
#3D3A6D
oklch(37.7% 0.085 284.2)
-
Step 950
950
#232240
oklch(26.9% 0.055 283.6)
#4C478C 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) | #2A528E | 0.049 |
| Deuteranopia (no green cones) | #284D8A | 0.048 |
| Tritanopia (no blue cones) | #385563 | 0.093 |
| Achromatopsia (no color) | #505050 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C478C
#4C478C
oklch(43.8% 0.111 284.1)
- #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 #4C478C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.028
- Twilight #4E518B ΔE 0.029
- Dusk #4E5481 ΔE 0.045
- Dusk Blue #26538D ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.057
- Cobalt #1E488F ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.063
Use #4C478C 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.