#4E5FE3
Closest named color: Neon Blue (#4361EE). oklch(54.9% 0.199 272.4), rgb(78, 95, 227).
Aa
White text reads best on this color (5.15:1).
About this color
#4E5FE3 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.199 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.020 away. White text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #4E5FE3 |
| RGB | rgb(78, 95, 227) |
| HSL | hsl(233, 73%, 60%) |
| OKLCH | oklch(54.9% 0.199 272.4) |
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 #4E5FE3 | 5.15:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #4E5FE3 | 4.07:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #4E5FE3 text on white | 5.15:1 | AA | Lc 75.1 | Fine for body text |
| #4E5FE3 text on black | 4.07:1 | AA large text | Lc -26.7 | 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 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ADBDFB
oklch(80.8% 0.09 273.1)
-
Step 400
400
#8399F9
oklch(70.7% 0.143 272.5)
-
Step 500
500
#667CF6
oklch(63.1% 0.183 272.4)
-
Step 600
600 (this color)
#4E5FE3
oklch(54.9% 0.199 272.4)
-
Step 700
700
#414FC7
oklch(49% 0.185 272.5)
-
Step 800
800
#3542A1
oklch(42.7% 0.153 272.3)
-
Step 900
900
#2E3980
oklch(37.7% 0.12 272.7)
-
Step 950
950
#1A224B
oklch(27% 0.076 272.1)
#4E5FE3 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) | #0074E7 | 0.061 |
| Deuteranopia (no green cones) | #0067E0 | 0.051 |
| Tritanopia (no blue cones) | #007F98 | 0.163 |
| Achromatopsia (no color) | #6D6D6D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5FE3
#4E5FE3
oklch(54.9% 0.199 272.4)
- #886E00
#886E00
oklch(54.8% 0.112 92.4)
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 #4E5FE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.020
- Warm Blue #4B57DB ΔE 0.023
- Royal Blue #4169E1 ΔE 0.026
- Dark Periwinkle #665FD1 ΔE 0.042
- Azul #1D5DEC ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.053
- Cerulean Blue #056EEE ΔE 0.054
Use #4E5FE3 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.