#4565E4
Closest named color: Royal Blue (#4169E1). oklch(55.6% 0.196 268.5), rgb(69, 101, 228).
Aa
White text reads best on this color (4.95:1).
About this color
#4565E4 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.196 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.011 away. White text reads best on it, at 4.95:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #4565E4 |
| RGB | rgb(69, 101, 228) |
| HSL | hsl(228, 75%, 58%) |
| OKLCH | oklch(55.6% 0.196 268.5) |
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 #4565E4 | 4.95:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #4565E4 | 4.23:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #4565E4 text on white | 4.95:1 | AA | Lc 73.8 | Content text, not long reading |
| #4565E4 text on black | 4.23:1 | AA large text | Lc -27.9 | 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
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A9BFFA
oklch(80.9% 0.087 268.6)
-
Step 400
400
#7C9BF8
oklch(70.6% 0.141 268.7)
-
Step 500
500
#5D7FF5
oklch(63.1% 0.18 268.7)
-
Step 600
600 (this color)
#4565E4
oklch(55.6% 0.196 268.5)
-
Step 700
700
#3753C6
oklch(49.1% 0.182 268.4)
-
Step 800
800
#2E45A0
oklch(42.8% 0.15 268.5)
-
Step 900
900
#283B7F
oklch(37.7% 0.117 268.5)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#4565E4 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) | #0077E8 | 0.051 |
| Deuteranopia (no green cones) | #0069E1 | 0.039 |
| Tritanopia (no blue cones) | #00849B | 0.157 |
| Achromatopsia (no color) | #707070 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4565E4
#4565E4
oklch(55.6% 0.196 268.5)
- #8F6F00
#8F6F00
oklch(55.8% 0.114 88.6)
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 #4565E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.011
- Neon Blue #4361EE ΔE 0.018
- Warm Blue #4B57DB ΔE 0.034
- Cerulean Blue #056EEE ΔE 0.040
- Azul #1D5DEC ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.050
- Bright Blue #0165FC ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.061
Use #4565E4 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.