#4B7BE4
Closest named color: Clear Blue (#247AFD). oklch(60.3% 0.168 263.7), rgb(75, 123, 228).
Aa
Black text reads best on this color (5.25:1).
About this color
#4B7BE4 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.168 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.046 away. Black text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #4B7BE4 |
| RGB | rgb(75, 123, 228) |
| HSL | hsl(221, 74%, 59%) |
| OKLCH | oklch(60.3% 0.168 263.7) |
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 #4B7BE4 | 3.99:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #4B7BE4 | 5.25:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #4B7BE4 text on white | 3.99:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #4B7BE4 text on black | 5.25:1 | AA | Lc -34.7 | 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
#CADAF8
oklch(88.6% 0.045 263.1)
-
Step 300
300
#A5C1F6
oklch(80.9% 0.081 263)
-
Step 400
400
#769FF2
oklch(70.8% 0.13 263.4)
-
Step 500
500 (this color)
#4B7BE4
oklch(60.3% 0.168 263.7)
-
Step 600
600
#396BDC
oklch(55.7% 0.181 263.6)
-
Step 700
700
#2B58BF
oklch(49.1% 0.17 263.6)
-
Step 800
800
#25499B
oklch(42.8% 0.14 263.7)
-
Step 900
900
#223E7B
oklch(37.8% 0.109 263.5)
-
Step 950
950
#142548
oklch(27.1% 0.069 263.1)
#4B7BE4 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) | #4587E8 | 0.031 |
| Deuteranopia (no green cones) | #2679E2 | 0.030 |
| Tritanopia (no blue cones) | #0093A4 | 0.137 |
| Achromatopsia (no color) | #7F7F7F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7BE4
#4B7BE4
oklch(60.3% 0.168 263.7)
- #A47900
#A47900
oklch(60.3% 0.124 83.6)
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 #4B7BE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.046
- Cornflower #6A79F7 ΔE 0.046
- Soft Blue #6488EA ΔE 0.047
- Royal Blue #4169E1 ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.059
- Windows Blue #3778BF ΔE 0.061
- Water Blue #0E87CC ΔE 0.062
Use #4B7BE4 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.