#3760E1
Closest named color: Neon Blue (#4361EE). oklch(53.8% 0.202 266.2), rgb(55, 96, 225).
Aa
White text reads best on this color (5.35:1).
About this color
#3760E1 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.202 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.024 away. White text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #3760E1 |
| RGB | rgb(55, 96, 225) |
| HSL | hsl(226, 74%, 55%) |
| OKLCH | oklch(53.8% 0.202 266.2) |
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 #3760E1 | 5.35:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #3760E1 | 3.92:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #3760E1 text on white | 5.35:1 | AA | Lc 76.1 | Fine for body text |
| #3760E1 text on black | 3.92:1 | AA large text | Lc -25.7 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A5C0FC
oklch(80.9% 0.09 265.7)
-
Step 400
400
#769CFB
oklch(70.7% 0.146 266.3)
-
Step 500
500
#5580F8
oklch(63.1% 0.185 266.3)
-
Step 600
600 (this color)
#3760E1
oklch(53.8% 0.202 266.2)
-
Step 700
700
#2F53C9
oklch(49% 0.188 266.4)
-
Step 800
800
#2745A2
oklch(42.6% 0.155 266.3)
-
Step 900
900
#233B81
oklch(37.6% 0.122 266.3)
-
Step 950
950
#15234B
oklch(26.9% 0.076 266.7)
#3760E1 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) | #0073E5 | 0.047 |
| Deuteranopia (no green cones) | #0063DE | 0.027 |
| Tritanopia (no blue cones) | #008097 | 0.158 |
| Achromatopsia (no color) | #6B6B6B | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3760E1
#3760E1
oklch(53.8% 0.202 266.2)
- #8A6800
#8A6800
oklch(53.7% 0.11 86)
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 #3760E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.024
- Royal Blue #4169E1 ΔE 0.026
- Azul #1D5DEC ΔE 0.026
- Warm Blue #4B57DB ΔE 0.028
- Cerulean Blue #056EEE ΔE 0.040
- Bright Blue #0165FC ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.062
- Electric Blue #0652FF ΔE 0.063
Use #3760E1 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.