#4D4FA8
Closest named color: Blueberry (#464196). oklch(47.4% 0.14 278.7), rgb(77, 79, 168).
Aa
White text reads best on this color (7.00:1).
About this color
#4D4FA8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.140 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.046 away. White text reads best on it, at 7.00:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #4D4FA8 |
| RGB | rgb(77, 79, 168) |
| HSL | hsl(239, 37%, 48%) |
| OKLCH | oklch(47.4% 0.14 278.7) |
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 #4D4FA8 | 7.00:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #4D4FA8 | 2.99:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #4D4FA8 text on white | 7.00:1 | AAA | Lc 84.0 | Fine for body text |
| #4D4FA8 text on black | 2.99:1 | Fails | Lc -18.0 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDEC
oklch(80.9% 0.067 278.2)
-
Step 400
400
#9299E3
oklch(70.7% 0.108 279.1)
-
Step 500
500
#787EDB
oklch(63% 0.139 278.8)
-
Step 600
600
#6266C9
oklch(55.6% 0.15 278.6)
-
Step 700
700 (this color)
#4D4FA8
oklch(47.4% 0.14 278.7)
-
Step 800
800
#43458D
oklch(42.7% 0.117 279)
-
Step 900
900
#383B70
oklch(37.7% 0.089 278.7)
-
Step 950
950
#212342
oklch(27.1% 0.057 279.1)
#4D4FA8 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) | #1F5DAB | 0.055 |
| Deuteranopia (no green cones) | #1055A6 | 0.058 |
| Tritanopia (no blue cones) | #236374 | 0.121 |
| Achromatopsia (no color) | #595959 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4FA8
#4D4FA8
oklch(47.4% 0.14 278.7)
- #6A5C00
#6A5C00
oklch(47.4% 0.098 98.9)
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 #4D4FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.046
- Twilight #4E518B ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.059
- Iris #6258C4 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.066
Use #4D4FA8 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.