#4F64FA
Closest named color: Neon Blue (#4361EE). oklch(57.7% 0.223 271.4), rgb(79, 100, 250).
Aa
White text reads best on this color (4.62:1).
About this color
#4F64FA is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.223 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.025 away. White text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.223) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.53:1 |
| White text | 4.62:1 |
Values
| HEX | #4F64FA |
| RGB | rgb(79, 100, 250) |
| HSL | hsl(233, 94%, 65%) |
| OKLCH | oklch(57.7% 0.223 271.4) |
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 #4F64FA | 4.62:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #4F64FA | 4.53:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #4F64FA text on white | 4.62:1 | AA | Lc 71.6 | Content text, not long reading |
| #4F64FA text on black | 4.53:1 | AA | Lc -30.1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#AABDFF
oklch(80.8% 0.096 271.7)
-
Step 400
400
#7F99FF
oklch(70.8% 0.152 271.3)
-
Step 500
500
#617AFF
oklch(63% 0.198 271.6)
-
Step 600
600 (this color)
#4F64FA
oklch(57.7% 0.223 271.4)
-
Step 700
700
#3C4BD3
oklch(49.1% 0.207 271.4)
-
Step 800
800
#313FAB
oklch(42.8% 0.172 271.3)
-
Step 900
900
#2A3787
oklch(37.7% 0.134 271.4)
-
Step 950
950
#18214F
oklch(26.9% 0.085 271.3)
#4F64FA 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) | #007DFF | 0.065 |
| Deuteranopia (no green cones) | #006DF7 | 0.048 |
| Tritanopia (no blue cones) | #008AA6 | 0.180 |
| Achromatopsia (no color) | #757575 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F64FA
#4F64FA
oklch(57.7% 0.223 271.4)
- #937600
#937600
oklch(57.7% 0.118 91.6)
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 #4F64FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.025
- Royal Blue #4169E1 ΔE 0.042
- Bright Blue #0165FC ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.052
- Azul #1D5DEC ΔE 0.054
- Clear Blue #247AFD ΔE 0.055
- Warm Blue #4B57DB ΔE 0.056
- Cornflower #6A79F7 ΔE 0.064
Use #4F64FA 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.