#4F339F
Closest named color: Blueberry (#464196). oklch(42% 0.165 289.2), rgb(79, 51, 159).
Aa
White text reads best on this color (9.10:1).
About this color
#4F339F is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.165 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.037 away. White text reads best on it, at 9.10:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #4F339F |
| RGB | rgb(79, 51, 159) |
| HSL | hsl(256, 51%, 41%) |
| OKLCH | oklch(42% 0.165 289.2) |
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 #4F339F | 9.10:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #4F339F | 2.30:1 | Fails | Lc 13.6 | Not readable |
| #4F339F text on white | 9.10:1 | AAA | Lc 90.4 | Preferred for body text |
| #4F339F text on black | 2.30:1 | Fails | Lc -11.9 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D7D4FB
oklch(88.5% 0.053 288.8)
-
Step 300
300
#BEB7FC
oklch(81% 0.097 288.7)
-
Step 400
400
#9F8EFA
oklch(70.8% 0.155 289.1)
-
Step 500
500
#8A6DF7
oklch(63.1% 0.198 289.1)
-
Step 600
600
#7650E6
oklch(55.7% 0.215 289.1)
-
Step 700
700
#633FC8
oklch(49.1% 0.2 288.9)
-
Step 800
800 (this color)
#4F339F
oklch(42% 0.165 289.2)
-
Step 900
900
#423080
oklch(37.7% 0.129 289)
-
Step 950
950
#261D4B
oklch(26.9% 0.082 288.7)
#4F339F 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) | #004AA2 | 0.088 |
| Deuteranopia (no green cones) | #00469D | 0.086 |
| Tritanopia (no blue cones) | #334E64 | 0.135 |
| Achromatopsia (no color) | #484848 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F339F
#4F339F
oklch(42% 0.165 289.2)
- #515100
#515100
oklch(42.1% 0.092 109.8)
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 #4F339F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.042
- Rebecca Purple #663399 ΔE 0.045
- Chrysanthemum #560BAD ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Indigo Blue #3A18B1 ΔE 0.067
- Sapphire #2138AB ΔE 0.069
Use #4F339F 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.