#4D4591
Closest named color: Blueberry (#464196). oklch(43.8% 0.121 285), rgb(77, 69, 145).
Aa
White text reads best on this color (8.15:1).
About this color
#4D4591 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.121 and its hue 285°. 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 8.15:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #4D4591 |
| RGB | rgb(77, 69, 145) |
| HSL | hsl(246, 36%, 42%) |
| OKLCH | oklch(43.8% 0.121 285) |
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 #4D4591 | 8.15:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #4D4591 | 2.57:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #4D4591 text on white | 8.15:1 | AAA | Lc 88.0 | Fine for body text |
| #4D4591 text on black | 2.57:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BBBBED
oklch(80.9% 0.07 284.7)
-
Step 400
400
#9996E4
oklch(70.6% 0.113 284.9)
-
Step 500
500
#827ADC
oklch(63.1% 0.144 285.2)
-
Step 600
600
#6C61CA
oklch(55.6% 0.157 284.8)
-
Step 700
700
#5B50AF
oklch(49.2% 0.146 284.9)
-
Step 800
800 (this color)
#4D4591
oklch(43.8% 0.121 285)
-
Step 900
900
#3D3871
oklch(37.6% 0.095 284.8)
-
Step 950
950
#242142
oklch(26.9% 0.06 285.8)
#4D4591 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) | #225294 | 0.058 |
| Deuteranopia (no green cones) | #1F4D8F | 0.058 |
| Tritanopia (no blue cones) | #375564 | 0.102 |
| Achromatopsia (no color) | #4F4F4F | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4591
#4D4591
oklch(43.8% 0.121 285)
- #5A5400
#5A5400
oklch(43.8% 0.093 104.8)
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 #4D4591, 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 0.024
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.054
- Cobalt #1E488F ΔE 0.059
- Dusk Blue #26538D ΔE 0.059
- Rebecca Purple #663399 ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.062
Use #4D4591 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.