#4C74E5
Closest named color: Royal Blue (#4169E1). oklch(59% 0.177 266.4), rgb(76, 116, 229).
Aa
Black text reads best on this color (4.93:1).
About this color
#4C74E5 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.177 and its hue 266°. 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 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #4C74E5 |
| RGB | rgb(76, 116, 229) |
| HSL | hsl(224, 75%, 60%) |
| OKLCH | oklch(59% 0.177 266.4) |
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 #4C74E5 | 4.25:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #4C74E5 | 4.93:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #4C74E5 text on white | 4.25:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #4C74E5 text on black | 4.93:1 | AA | Lc -32.6 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CCD9F7
oklch(88.5% 0.044 266.9)
-
Step 300
300
#A9C0F5
oklch(80.9% 0.079 266.4)
-
Step 400
400
#7C9DF0
oklch(70.6% 0.128 266.7)
-
Step 500
500
#5B83EB
oklch(63.2% 0.162 266.1)
-
Step 600
600 (this color)
#4C74E5
oklch(59% 0.177 266.4)
-
Step 700
700
#3557BD
oklch(49.1% 0.165 266.4)
-
Step 800
800
#2C4899
oklch(42.8% 0.137 266.3)
-
Step 900
900
#273D79
oklch(37.6% 0.106 266.3)
-
Step 950
950
#172447
oklch(26.9% 0.068 266.6)
#4C74E5 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) | #3482E9 | 0.037 |
| Deuteranopia (no green cones) | #0074E3 | 0.043 |
| Tritanopia (no blue cones) | #008EA2 | 0.144 |
| Achromatopsia (no color) | #7B7B7B | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C74E5
#4C74E5
oklch(59% 0.177 266.4)
- #9D7700
#9D7700
oklch(59% 0.121 86.2)
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 #4C74E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.032
- Clear Blue #247AFD ΔE 0.044
- Cornflower #6A79F7 ΔE 0.048
- Cerulean Blue #056EEE ΔE 0.049
- Neon Blue #4361EE ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.061
- Soft Blue #6488EA ΔE 0.062
- Windows Blue #3778BF ΔE 0.065
Use #4C74E5 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.