#4C7AE0
Closest named color: Royal Blue (#4169E1). oklch(59.9% 0.163 263.9), rgb(76, 122, 224).
Aa
Black text reads best on this color (5.16:1).
About this color
#4C7AE0 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.163 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.047 away. Black text reads best on it, at 5.16:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #4C7AE0 |
| RGB | rgb(76, 122, 224) |
| HSL | hsl(221, 70%, 59%) |
| OKLCH | oklch(59.9% 0.163 263.9) |
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 #4C7AE0 | 4.06:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #4C7AE0 | 5.16:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #4C7AE0 text on white | 4.06:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #4C7AE0 text on black | 5.16:1 | AA | Lc -34.1 | 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 500.
-
Step 50
50
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300
#A6C1F5
oklch(80.9% 0.08 263.3)
-
Step 400
400
#779FF0
oklch(70.7% 0.127 263.5)
-
Step 500
500 (this color)
#4C7AE0
oklch(59.9% 0.163 263.9)
-
Step 600
600
#3B6BD9
oklch(55.5% 0.177 263.8)
-
Step 700
700
#2E59BD
oklch(49.2% 0.165 263.8)
-
Step 800
800
#274999
oklch(42.8% 0.137 264.1)
-
Step 900
900
#233E79
oklch(37.7% 0.106 263.6)
-
Step 950
950
#152547
oklch(27.1% 0.067 263.6)
#4C7AE0 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) | #4785E4 | 0.028 |
| Deuteranopia (no green cones) | #2B78DE | 0.028 |
| Tritanopia (no blue cones) | #0092A2 | 0.135 |
| Achromatopsia (no color) | #7E7E7E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C7AE0
#4C7AE0
oklch(59.9% 0.163 263.9)
- #A27800
#A27800
oklch(59.8% 0.123 84)
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 #4C7AE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.047
- Soft Blue #6488EA ΔE 0.049
- Cornflower #6A79F7 ΔE 0.050
- Clear Blue #247AFD ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.052
- Windows Blue #3778BF ΔE 0.056
- Water Blue #0E87CC ΔE 0.060
- Cerulean Blue #056EEE ΔE 0.060
Use #4C7AE0 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.