#4B4FB2
Closest named color: Iris (#6258C4). oklch(48% 0.154 277.1), rgb(75, 79, 178).
Aa
White text reads best on this color (6.86:1).
About this color
#4B4FB2 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.154 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.051 away. White text reads best on it, at 6.86:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.06:1 |
| White text | 6.86:1 |
Values
| HEX | #4B4FB2 |
| RGB | rgb(75, 79, 178) |
| HSL | hsl(238, 41%, 50%) |
| OKLCH | oklch(48% 0.154 277.1) |
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 #4B4FB2 | 6.86:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #4B4FB2 | 3.06:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #4B4FB2 text on white | 6.86:1 | AA | Lc 83.4 | Fine for body text |
| #4B4FB2 text on black | 3.06:1 | AA large text | Lc -18.6 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
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
#8E99EA
oklch(70.7% 0.119 277)
-
Step 500
500
#747DE4
oklch(63.1% 0.153 277.3)
-
Step 600
600
#5E64D2
oklch(55.6% 0.166 277.2)
-
Step 700
700 (this color)
#4B4FB2
oklch(48% 0.154 277.1)
-
Step 800
800
#404493
oklch(42.7% 0.128 277.4)
-
Step 900
900
#353A75
oklch(37.6% 0.1 276.8)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#4B4FB2 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) | #065FB5 | 0.062 |
| Deuteranopia (no green cones) | #0056B0 | 0.059 |
| Tritanopia (no blue cones) | #096679 | 0.134 |
| Achromatopsia (no color) | #5A5A5A | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4FB2
#4B4FB2
oklch(48% 0.154 277.1)
- #6D5D00
#6D5D00
oklch(48% 0.099 97.4)
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 #4B4FB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.056
- Blueberry #464196 ΔE 0.056
- Blurple #5539CC ΔE 0.062
- Twilight #4E518B ΔE 0.064
- Warm Blue #4B57DB ΔE 0.066
- Majorelle Blue #3F37C9 ΔE 0.067
Use #4B4FB2 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.