#4565F3
Closest named color: Neon Blue (#4361EE). oklch(56.8% 0.215 268.8), rgb(69, 101, 243).
Aa
White text reads best on this color (4.76:1).
About this color
#4565F3 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.215 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.012 away. White text reads best on it, at 4.76:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.215) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #4565F3 |
| RGB | rgb(69, 101, 243) |
| HSL | hsl(229, 88%, 61%) |
| OKLCH | oklch(56.8% 0.215 268.8) |
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 #4565F3 | 4.76:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #4565F3 | 4.40:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #4565F3 text on white | 4.76:1 | AA | Lc 72.5 | Content text, not long reading |
| #4565F3 text on black | 4.40:1 | AA large text | Lc -29.2 | 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
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD8FE
oklch(88.4% 0.055 269.3)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500
#597DFF
oklch(63.2% 0.197 268.6)
-
Step 600
600 (this color)
#4565F3
oklch(56.8% 0.215 268.8)
-
Step 700
700
#354FD0
oklch(49.1% 0.2 268.8)
-
Step 800
800
#2B42A8
oklch(42.7% 0.166 268.6)
-
Step 900
900
#263985
oklch(37.7% 0.129 268.8)
-
Step 950
950
#16224E
oklch(26.9% 0.083 268.8)
#4565F3 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) | #007BF8 | 0.056 |
| Deuteranopia (no green cones) | #006BF0 | 0.038 |
| Tritanopia (no blue cones) | #0089A2 | 0.173 |
| Achromatopsia (no color) | #737373 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4565F3
#4565F3
oklch(56.8% 0.215 268.8)
- #937200
#937200
oklch(56.9% 0.116 88.4)
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 #4565F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.012
- Royal Blue #4169E1 ΔE 0.029
- Cerulean Blue #056EEE ΔE 0.039
- Bright Blue #0165FC ΔE 0.040
- Azul #1D5DEC ΔE 0.042
- Warm Blue #4B57DB ΔE 0.047
- Clear Blue #247AFD ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.065
Use #4565F3 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.