#4B4DB1
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(47.5% 0.156 277.8), rgb(75, 77, 177).
Aa
White text reads best on this color (7.01:1).
About this color
#4B4DB1 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.156 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.050 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #4B4DB1 |
| RGB | rgb(75, 77, 177) |
| HSL | hsl(239, 40%, 49%) |
| OKLCH | oklch(47.5% 0.156 277.8) |
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 #4B4DB1 | 7.01:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #4B4DB1 | 2.99:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #4B4DB1 text on white | 7.01:1 | AAA | Lc 84.0 | Fine for body text |
| #4B4DB1 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B4BDF1
oklch(80.9% 0.074 277)
-
Step 400
400
#8F98EB
oklch(70.6% 0.121 278.1)
-
Step 500
500
#757DE4
oklch(63.1% 0.153 277.7)
-
Step 600
600
#5F63D2
oklch(55.5% 0.168 277.9)
-
Step 700
700 (this color)
#4B4DB1
oklch(47.5% 0.156 277.8)
-
Step 800
800
#414493
oklch(42.8% 0.127 277.9)
-
Step 900
900
#363A75
oklch(37.7% 0.099 277.6)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#4B4DB1 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) | #005DB4 | 0.064 |
| Deuteranopia (no green cones) | #0055AF | 0.060 |
| Tritanopia (no blue cones) | #0D6477 | 0.135 |
| Achromatopsia (no color) | #595959 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4DB1
#4B4DB1
oklch(47.5% 0.156 277.8)
- #6B5C00
#6B5C00
oklch(47.5% 0.098 98.1)
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 #4B4DB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Blueberry #464196 ΔE 0.052
- Iris #6258C4 ΔE 0.055
- Bluey Purple #6241C7 ΔE 0.055
- Blurple #5539CC ΔE 0.060
- Twilight #4E518B ΔE 0.064
- Majorelle Blue #3F37C9 ΔE 0.065
- Blue Blue #2242C7 ΔE 0.068
Use #4B4DB1 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.