#4F4FAB
Closest named color: Blueberry (#464196). oklch(47.8% 0.144 279.5), rgb(79, 79, 171).
Aa
White text reads best on this color (6.91:1).
About this color
#4F4FAB is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.144 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.050 away. White text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #4F4FAB |
| RGB | rgb(79, 79, 171) |
| HSL | hsl(240, 37%, 49%) |
| OKLCH | oklch(47.8% 0.144 279.5) |
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 #4F4FAB | 6.91:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #4F4FAB | 3.03:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #4F4FAB text on white | 6.91:1 | AA | Lc 83.6 | Fine for body text |
| #4F4FAB text on black | 3.03:1 | AA large text | Lc -18.3 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D3D7F3
oklch(88.5% 0.039 279.1)
-
Step 300
300
#B7BCEE
oklch(80.8% 0.071 280.2)
-
Step 400
400
#9299E5
oklch(70.7% 0.111 279.1)
-
Step 500
500
#797DDD
oklch(63% 0.143 279.7)
-
Step 600
600
#6365CB
oklch(55.7% 0.154 279.3)
-
Step 700
700 (this color)
#4F4FAB
oklch(47.8% 0.144 279.5)
-
Step 800
800
#43448E
oklch(42.6% 0.12 279.5)
-
Step 900
900
#383A71
oklch(37.6% 0.093 279.4)
-
Step 950
950
#212242
oklch(26.9% 0.059 280.3)
#4F4FAB 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) | #1B5EAE | 0.060 |
| Deuteranopia (no green cones) | #0A56A9 | 0.063 |
| Tritanopia (no blue cones) | #266475 | 0.125 |
| Achromatopsia (no color) | #5A5A5A | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4FAB
#4F4FAB
oklch(47.8% 0.144 279.5)
- #6B5D00
#6B5D00
oklch(47.7% 0.099 99)
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 #4F4FAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.050
- Twilight #4E518B ΔE 0.053
- Iris #6258C4 ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.061
- Dusky Blue #475F94 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.068
Use #4F4FAB 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.