#4F88FD
Closest named color: Dodger Blue (#1E90FF). oklch(64.8% 0.184 262.8), rgb(79, 136, 253).
Aa
Black text reads best on this color (6.27:1).
About this color
#4F88FD is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.184 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.032 away. Black text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #4F88FD |
| RGB | rgb(79, 136, 253) |
| HSL | hsl(220, 98%, 65%) |
| OKLCH | oklch(64.8% 0.184 262.8) |
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 #4F88FD | 3.34:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #4F88FD | 6.27:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #4F88FD text on white | 3.34:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #4F88FD text on black | 6.27:1 | AA | Lc -41.2 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A2C1FC
oklch(80.9% 0.091 263)
-
Step 400
400
#709EFA
oklch(70.7% 0.144 263.1)
-
Step 500
500 (this color)
#4F88FD
oklch(64.8% 0.184 262.8)
-
Step 600
600
#2E69E6
oklch(55.6% 0.2 262.7)
-
Step 700
700
#2156C8
oklch(49% 0.186 262.8)
-
Step 800
800
#1D47A2
oklch(42.7% 0.155 262.9)
-
Step 900
900
#1D3D80
oklch(37.7% 0.12 262.8)
-
Step 950
950
#11244B
oklch(26.9% 0.077 262.8)
#4F88FD 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) | #4B95FF | 0.033 |
| Deuteranopia (no green cones) | #2385FB | 0.032 |
| Tritanopia (no blue cones) | #00A3B6 | 0.148 |
| Achromatopsia (no color) | #8C8C8C | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F88FD
#4F88FD
oklch(64.8% 0.184 262.8)
- #B68500
#B68500
oklch(64.8% 0.133 82.4)
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 #4F88FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.032
- Soft Blue #6488EA ΔE 0.034
- Chefchaouen Blue #4895EF ΔE 0.043
- Cornflower #6A79F7 ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.051
- Clear Blue #247AFD ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.071
Use #4F88FD 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.