#4266FE
Closest named color: Neon Blue (#4361EE). oklch(57.7% 0.229 268), rgb(66, 102, 254).
Aa
White text reads best on this color (4.60:1).
About this color
#4266FE is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.229 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.026 away. White text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.229) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.56:1 |
| White text | 4.60:1 |
Values
| HEX | #4266FE |
| RGB | rgb(66, 102, 254) |
| HSL | hsl(229, 99%, 63%) |
| OKLCH | oklch(57.7% 0.229 268) |
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 #4266FE | 4.60:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #4266FE | 4.56:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #4266FE text on white | 4.60:1 | AA | Lc 71.3 | Content text, not long reading |
| #4266FE text on black | 4.56:1 | AA | Lc -30.4 | Non-text elements, placeholder text |
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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500
#577DFF
oklch(63.1% 0.197 268)
-
Step 600
600 (this color)
#4266FE
oklch(57.7% 0.229 268)
-
Step 700
700
#304DD7
oklch(49.2% 0.213 268)
-
Step 800
800
#2840AD
oklch(42.7% 0.176 268.2)
-
Step 900
900
#233889
oklch(37.6% 0.137 268)
-
Step 950
950
#142250
oklch(27% 0.086 267.5)
#4266FE 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) | #007EFF | 0.058 |
| Deuteranopia (no green cones) | #006DFB | 0.034 |
| Tritanopia (no blue cones) | #008DA8 | 0.181 |
| Achromatopsia (no color) | #757575 | 0.229 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4266FE
#4266FE
oklch(57.7% 0.229 268)
- #977400
#977400
oklch(57.7% 0.118 87.5)
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 #4266FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.026
- Bright Blue #0165FC ΔE 0.036
- Cerulean Blue #056EEE ΔE 0.043
- Royal Blue #4169E1 ΔE 0.045
- Clear Blue #247AFD ΔE 0.047
- Azul #1D5DEC ΔE 0.048
- Warm Blue #4B57DB ΔE 0.062
- Electric Blue #0652FF ΔE 0.063
Use #4266FE 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.