#4F8BF4
Closest named color: Soft Blue (#6488EA). oklch(64.8% 0.169 260.7), rgb(79, 139, 244).
Aa
Black text reads best on this color (6.33:1).
About this color
#4F8BF4 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.169 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.024 away. Black text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #4F8BF4 |
| RGB | rgb(79, 139, 244) |
| HSL | hsl(218, 88%, 63%) |
| OKLCH | oklch(64.8% 0.169 260.7) |
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 #4F8BF4 | 3.31:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #4F8BF4 | 6.33:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #4F8BF4 text on white | 3.31:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #4F8BF4 text on black | 6.33:1 | AA | Lc -41.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C8DAF8
oklch(88.4% 0.046 260.7)
-
Step 300
300
#A2C2F7
oklch(80.9% 0.083 260.4)
-
Step 400
400
#70A0F3
oklch(70.7% 0.133 260.8)
-
Step 500
500 (this color)
#4F8BF4
oklch(64.8% 0.169 260.7)
-
Step 600
600
#2C6CDD
oklch(55.5% 0.185 260.8)
-
Step 700
700
#1F5AC0
oklch(49.2% 0.172 260.7)
-
Step 800
800
#1C4A9B
oklch(42.7% 0.142 260.8)
-
Step 900
900
#1C3F7B
oklch(37.7% 0.11 260.4)
-
Step 950
950
#112548
oklch(26.9% 0.07 260.7)
#4F8BF4 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) | #5895F8 | 0.029 |
| Deuteranopia (no green cones) | #3C86F2 | 0.022 |
| Tritanopia (no blue cones) | #00A3B4 | 0.135 |
| Achromatopsia (no color) | #8D8D8D | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F8BF4
#4F8BF4
oklch(64.8% 0.169 260.7)
- #B88400
#B88400
oklch(64.8% 0.134 80.7)
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 #4F8BF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.024
- Dark Sky Blue #448EE4 ΔE 0.028
- Chefchaouen Blue #4895EF ΔE 0.029
- Dodger Blue #1E90FF ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.039
- Cornflower #6A79F7 ΔE 0.050
- Clear Blue #247AFD ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.070
Use #4F8BF4 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.