#4F8DF3
Closest named color: Chefchaouen Blue (#4895EF). oklch(65.2% 0.166 259.8), rgb(79, 141, 243).
Aa
Black text reads best on this color (6.43:1).
About this color
#4F8DF3 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.166 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.023 away. Black text reads best on it, at 6.43:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.43:1 |
| White text | 3.26:1 |
Values
| HEX | #4F8DF3 |
| RGB | rgb(79, 141, 243) |
| HSL | hsl(217, 87%, 63%) |
| OKLCH | oklch(65.2% 0.166 259.8) |
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 #4F8DF3 | 3.26:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #4F8DF3 | 6.43:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #4F8DF3 text on white | 3.26:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #4F8DF3 text on black | 6.43:1 | AA | Lc -42.1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DAF8
oklch(88.4% 0.046 260.7)
-
Step 300
300
#A2C2F5
oklch(80.9% 0.081 259.6)
-
Step 400
400
#6FA1F1
oklch(70.8% 0.13 259.5)
-
Step 500
500 (this color)
#4F8DF3
oklch(65.2% 0.166 259.8)
-
Step 600
600
#2B6EDA
oklch(55.7% 0.179 259.7)
-
Step 700
700
#1D5BBD
oklch(49.1% 0.167 259.7)
-
Step 800
800
#1A4B99
oklch(42.7% 0.138 259.6)
-
Step 900
900
#1C3F7A
oklch(37.7% 0.109 260.2)
-
Step 950
950
#112647
oklch(27.1% 0.067 259.1)
#4F8DF3 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) | #5D97F7 | 0.031 |
| Deuteranopia (no green cones) | #4187F1 | 0.021 |
| Tritanopia (no blue cones) | #00A5B4 | 0.134 |
| Achromatopsia (no color) | #8E8E8E | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F8DF3
#4F8DF3
oklch(65.2% 0.166 259.8)
- #BA8400
#BA8400
oklch(65% 0.135 79.7)
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 #4F8DF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.023
- Soft Blue #6488EA ΔE 0.024
- Dark Sky Blue #448EE4 ΔE 0.026
- Dodger Blue #1E90FF ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.034
- Cornflower #6A79F7 ΔE 0.055
- Clear Blue #247AFD ΔE 0.065
- Lavender Blue #8B88F8 ΔE 0.070
Use #4F8DF3 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.