#4A479B
Closest named color: Blueberry (#464196). oklch(44.7% 0.133 281.2), rgb(74, 71, 155).
Aa
White text reads best on this color (7.87:1).
About this color
#4A479B is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.133 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.019 away. White text reads best on it, at 7.87:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #4A479B |
| RGB | rgb(74, 71, 155) |
| HSL | hsl(242, 37%, 44%) |
| OKLCH | oklch(44.7% 0.133 281.2) |
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 #4A479B | 7.87:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #4A479B | 2.66:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #4A479B text on white | 7.87:1 | AAA | Lc 87.1 | Fine for body text |
| #4A479B text on black | 2.66:1 | Fails | Lc -15.0 | Dividers and decoration only |
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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D3D6F6
oklch(88.4% 0.044 281.2)
-
Step 300
300
#B7BBF2
oklch(80.8% 0.078 281.3)
-
Step 400
400
#9396EC
oklch(70.6% 0.125 281.2)
-
Step 500
500
#7B7AE6
oklch(63.1% 0.159 281.3)
-
Step 600
600
#6560D4
oklch(55.5% 0.173 281.1)
-
Step 700
700
#554FB8
oklch(49.2% 0.161 281.3)
-
Step 800
800 (this color)
#4A479B
oklch(44.7% 0.133 281.2)
-
Step 900
900
#393876
oklch(37.6% 0.103 280.9)
-
Step 950
950
#212145
oklch(26.8% 0.066 281)
#4A479B 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) | #19559E | 0.059 |
| Deuteranopia (no green cones) | #0F4E99 | 0.060 |
| Tritanopia (no blue cones) | #295A6A | 0.115 |
| Achromatopsia (no color) | #515151 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A479B
#4A479B
oklch(44.7% 0.133 281.2)
- #605500
#605500
oklch(44.6% 0.093 100.7)
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 #4A479B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.019
- Dark Slate Blue #483D8B ΔE 0.035
- Twilight #4E518B ΔE 0.042
- Cobalt #1E488F ΔE 0.058
- Dusk Blue #26538D ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.060
- Dusk #4E5481 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.063
Use #4A479B 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.