#4B59FA
Closest named color: Neon Blue (#4361EE). oklch(55.6% 0.236 272.2), rgb(75, 89, 250).
Aa
White text reads best on this color (5.11:1).
About this color
#4B59FA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.236 and its hue 272°. 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 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.236) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #4B59FA |
| RGB | rgb(75, 89, 250) |
| HSL | hsl(235, 95%, 64%) |
| OKLCH | oklch(55.6% 0.236 272.2) |
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 #4B59FA | 5.11:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #4B59FA | 4.10:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #4B59FA text on white | 5.11:1 | AA | Lc 74.5 | Content text, not long reading |
| #4B59FA text on black | 4.10:1 | AA large text | Lc -27.2 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8098FF
oklch(70.7% 0.153 272.1)
-
Step 500
500
#637AFF
oklch(63.2% 0.198 272.1)
-
Step 600
600 (this color)
#4B59FA
oklch(55.6% 0.236 272.2)
-
Step 700
700
#3D47DA
oklch(49.1% 0.22 272.1)
-
Step 800
800
#323CB0
oklch(42.7% 0.182 272.2)
-
Step 900
900
#2A358B
oklch(37.6% 0.142 272.1)
-
Step 950
950
#182051
oklch(26.9% 0.09 272)
#4B59FA 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) | #0076FF | 0.069 |
| Deuteranopia (no green cones) | #0066F7 | 0.048 |
| Tritanopia (no blue cones) | #0083A2 | 0.187 |
| Achromatopsia (no color) | #6E6E6E | 0.237 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B59FA
#4B59FA
oklch(55.6% 0.236 272.2)
- #8B7000
#8B7000
oklch(55.5% 0.114 92)
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 #4B59FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.025
- Azul #1D5DEC ΔE 0.045
- Bright Blue #0165FC ΔE 0.047
- Warm Blue #4B57DB ΔE 0.047
- Royal Blue #4169E1 ΔE 0.053
- Electric Blue #0652FF ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.060
- Clear Blue #247AFD ΔE 0.074
Use #4B59FA 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.