#3960E8
Closest named color: Neon Blue (#4361EE). oklch(54.5% 0.21 266.8), rgb(57, 96, 232).
Aa
White text reads best on this color (5.23:1).
About this color
#3960E8 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.210 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.014 away. White text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.210) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #3960E8 |
| RGB | rgb(57, 96, 232) |
| HSL | hsl(227, 79%, 57%) |
| OKLCH | oklch(54.5% 0.21 266.8) |
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 #3960E8 | 5.23:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #3960E8 | 4.01:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #3960E8 text on white | 5.23:1 | AA | Lc 75.4 | Fine for body text |
| #3960E8 text on black | 4.01:1 | AA large text | Lc -26.4 | 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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FD
oklch(88.5% 0.053 266.4)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#769BFF
oklch(70.7% 0.152 267.2)
-
Step 500
500
#547FFD
oklch(63.2% 0.193 266.7)
-
Step 600
600 (this color)
#3960E8
oklch(54.5% 0.21 266.8)
-
Step 700
700
#2F51CD
oklch(49% 0.196 266.9)
-
Step 800
800
#2744A6
oklch(42.8% 0.162 266.7)
-
Step 900
900
#233A83
oklch(37.6% 0.126 266.9)
-
Step 950
950
#15234D
oklch(27% 0.08 267.1)
#3960E8 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) | #0075ED | 0.051 |
| Deuteranopia (no green cones) | #0064E5 | 0.029 |
| Tritanopia (no blue cones) | #00829B | 0.164 |
| Achromatopsia (no color) | #6C6C6C | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3960E8
#3960E8
oklch(54.5% 0.21 266.8)
- #8C6B00
#8C6B00
oklch(54.6% 0.112 87.2)
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 #3960E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.014
- Azul #1D5DEC ΔE 0.023
- Royal Blue #4169E1 ΔE 0.027
- Warm Blue #4B57DB ΔE 0.032
- Cerulean Blue #056EEE ΔE 0.037
- Bright Blue #0165FC ΔE 0.039
- Electric Blue #0652FF ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.064
Use #3960E8 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.