#4F72F8
Closest named color: Clear Blue (#247AFD). oklch(60.1% 0.204 268.5), rgb(79, 114, 248).
Aa
Black text reads best on this color (5.09:1).
About this color
#4F72F8 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.204 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.034 away. Black text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #4F72F8 |
| RGB | rgb(79, 114, 248) |
| HSL | hsl(228, 92%, 64%) |
| OKLCH | oklch(60.1% 0.204 268.5) |
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 #4F72F8 | 4.12:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #4F72F8 | 5.09:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #4F72F8 text on white | 4.12:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #4F72F8 text on black | 5.09:1 | AA | Lc -33.8 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#CAD9FF
oklch(88.6% 0.055 268.3)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500 (this color)
#4F72F8
oklch(60.1% 0.204 268.5)
-
Step 600
600
#4060F2
oklch(55.6% 0.221 268.5)
-
Step 700
700
#334ED3
oklch(49.1% 0.206 268.5)
-
Step 800
800
#2A41AA
oklch(42.7% 0.17 268.5)
-
Step 900
900
#253987
oklch(37.8% 0.133 268.4)
-
Step 950
950
#16224F
oklch(27% 0.084 268.9)
#4F72F8 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) | #0085FD | 0.055 |
| Deuteranopia (no green cones) | #0076F5 | 0.044 |
| Tritanopia (no blue cones) | #0092AA | 0.165 |
| Achromatopsia (no color) | #7D7D7D | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F72F8
#4F72F8
oklch(60.1% 0.204 268.5)
- #9E7B00
#9E7B00
oklch(60% 0.123 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 #4F72F8, closest first.
No curated palette has a color within ΔE 0.04 of #4F72F8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.034
- Cornflower #6A79F7 ΔE 0.038
- Royal Blue #4169E1 ΔE 0.044
- Neon Blue #4361EE ΔE 0.046
- Cerulean Blue #056EEE ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.060
- Bright Blue #0165FC ΔE 0.062
- Soft Blue #6488EA ΔE 0.069
Use #4F72F8 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.