#4B4BBF
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(48.3% 0.177 277.5), rgb(75, 75, 191).
Aa
White text reads best on this color (6.86:1).
About this color
#4B4BBF is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.177 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.033 away. White text reads best on it, at 6.86:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 3.05:1 |
| White text | 6.86:1 |
Values
| HEX | #4B4BBF |
| RGB | rgb(75, 75, 191) |
| HSL | hsl(240, 48%, 52%) |
| OKLCH | oklch(48.3% 0.177 277.5) |
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 #4B4BBF | 6.86:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #4B4BBF | 3.05:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #4B4BBF text on white | 6.86:1 | AA | Lc 83.3 | Fine for body text |
| #4B4BBF text on black | 3.05:1 | AA large text | Lc -18.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B3BCF8
oklch(80.9% 0.085 277.7)
-
Step 400
400
#8C97F5
oklch(70.7% 0.137 277.2)
-
Step 500
500
#727AF1
oklch(63.2% 0.175 277.2)
-
Step 600
600
#5D5FDF
oklch(55.6% 0.191 277.5)
-
Step 700
700 (this color)
#4B4BBF
oklch(48.3% 0.177 277.5)
-
Step 800
800
#3F409D
oklch(42.7% 0.148 277.7)
-
Step 900
900
#35387D
oklch(37.8% 0.115 277.5)
-
Step 950
950
#1F2149
oklch(27% 0.073 278.2)
#4B4BBF 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) | #005FC3 | 0.066 |
| Deuteranopia (no green cones) | #0055BD | 0.060 |
| Tritanopia (no blue cones) | #00677E | 0.149 |
| Achromatopsia (no color) | #5A5A5A | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4BBF
#4B4BBF
oklch(48.3% 0.177 277.5)
- #6E5E00
#6E5E00
oklch(48.3% 0.1 97.6)
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 #4B4BBF, 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 0.033
- Bluey Purple #6241C7 ΔE 0.041
- Blurple #5539CC ΔE 0.042
- Majorelle Blue #3F37C9 ΔE 0.049
- Iris #6258C4 ΔE 0.050
- Warm Blue #4B57DB ΔE 0.051
- Blue Blue #2242C7 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.066
Use #4B4BBF 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.