#4B4FC8
Closest named color: Warm Blue (#4B57DB). oklch(49.7% 0.184 276), rgb(75, 79, 200).
Aa
White text reads best on this color (6.45:1).
About this color
#4B4FC8 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.184 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.034 away. White text reads best on it, at 6.45:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #4B4FC8 |
| RGB | rgb(75, 79, 200) |
| HSL | hsl(238, 53%, 54%) |
| OKLCH | oklch(49.7% 0.184 276) |
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 #4B4FC8 | 6.45:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #4B4FC8 | 3.25:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #4B4FC8 text on white | 6.45:1 | AA | Lc 81.6 | Fine for body text |
| #4B4FC8 text on black | 3.25:1 | AA large text | Lc -20.3 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D0D7FB
oklch(88.5% 0.05 276.6)
-
Step 300
300
#B0BCFA
oklch(80.8% 0.089 275.8)
-
Step 400
400
#8997F8
oklch(70.7% 0.142 275.9)
-
Step 500
500
#6E7AF5
oklch(63.2% 0.182 275.7)
-
Step 600
600
#595FE4
oklch(55.7% 0.198 275.9)
-
Step 700
700 (this color)
#4B4FC8
oklch(49.7% 0.184 276)
-
Step 800
800
#3C40A0
oklch(42.7% 0.153 276)
-
Step 900
900
#32387F
oklch(37.7% 0.118 275.5)
-
Step 950
950
#1D214A
oklch(26.9% 0.075 275.9)
#4B4FC8 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) | #0064CC | 0.065 |
| Deuteranopia (no green cones) | #0059C6 | 0.057 |
| Tritanopia (no blue cones) | #006D84 | 0.155 |
| Achromatopsia (no color) | #5E5E5E | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4FC8
#4B4FC8
oklch(49.7% 0.184 276)
- #746100
#746100
oklch(49.6% 0.102 95.6)
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 #4B4FC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.034
- Blue With A Hint Of Purple #533CC6 ΔE 0.040
- Bluey Purple #6241C7 ΔE 0.043
- Iris #6258C4 ΔE 0.043
- Blurple #5539CC ΔE 0.045
- Majorelle Blue #3F37C9 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.060
Use #4B4FC8 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.