#4B6EF3
Closest named color: Royal Blue (#4169E1). oklch(58.8% 0.203 268.3), rgb(75, 110, 243).
Aa
Black text reads best on this color (4.82:1).
About this color
#4B6EF3 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.203 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.032 away. Black text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.203) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #4B6EF3 |
| RGB | rgb(75, 110, 243) |
| HSL | hsl(228, 87%, 62%) |
| OKLCH | oklch(58.8% 0.203 268.3) |
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 #4B6EF3 | 4.35:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #4B6EF3 | 4.82:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #4B6EF3 text on white | 4.35:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #4B6EF3 text on black | 4.82:1 | AA | Lc -32.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FC
oklch(88.6% 0.051 268.1)
-
Step 300
300
#A8BFFD
oklch(81% 0.092 268.6)
-
Step 400
400
#7A9BFB
oklch(70.7% 0.146 268.2)
-
Step 500
500
#5A7EF9
oklch(63% 0.188 268.3)
-
Step 600
600 (this color)
#4B6EF3
oklch(58.8% 0.203 268.3)
-
Step 700
700
#3552CA
oklch(49.2% 0.189 268.2)
-
Step 800
800
#2C44A3
oklch(42.8% 0.156 268.2)
-
Step 900
900
#273A81
oklch(37.6% 0.122 268.6)
-
Step 950
950
#17234C
oklch(27.1% 0.077 268.6)
#4B6EF3 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) | #0081F8 | 0.053 |
| Deuteranopia (no green cones) | #0072F0 | 0.041 |
| Tritanopia (no blue cones) | #008EA6 | 0.163 |
| Achromatopsia (no color) | #797979 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6EF3
#4B6EF3
oklch(58.8% 0.203 268.3)
- #9A7700
#9A7700
oklch(58.7% 0.12 88)
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 #4B6EF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.032
- Neon Blue #4361EE ΔE 0.034
- Clear Blue #247AFD ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.043
- Cornflower #6A79F7 ΔE 0.049
- Bright Blue #0165FC ΔE 0.054
- Azul #1D5DEC ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.062
Use #4B6EF3 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.