#4F8AFF
Closest named color: Dodger Blue (#1E90FF). oklch(65.3% 0.185 262.4), rgb(79, 138, 255).
Aa
Black text reads best on this color (6.41:1).
About this color
#4F8AFF is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.185 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.030 away. Black text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #4F8AFF |
| RGB | rgb(79, 138, 255) |
| HSL | hsl(220, 100%, 65%) |
| OKLCH | oklch(65.3% 0.185 262.4) |
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 #4F8AFF | 3.27:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #4F8AFF | 6.41:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #4F8AFF text on white | 3.27:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #4F8AFF text on black | 6.41:1 | AA | Lc -42.0 | 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
#A1C1FC
oklch(80.9% 0.091 262.4)
-
Step 400
400
#6F9EFA
oklch(70.6% 0.145 262.7)
-
Step 500
500 (this color)
#4F8AFF
oklch(65.3% 0.185 262.4)
-
Step 600
600
#2C69E6
oklch(55.6% 0.2 262.4)
-
Step 700
700
#1F56C8
oklch(49% 0.187 262.4)
-
Step 800
800
#1B47A2
oklch(42.6% 0.155 262.5)
-
Step 900
900
#1C3D80
oklch(37.7% 0.12 262.5)
-
Step 950
950
#11244B
oklch(26.9% 0.077 262.8)
#4F8AFF 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) | #4D97FF | 0.033 |
| Deuteranopia (no green cones) | #2686FD | 0.032 |
| Tritanopia (no blue cones) | #00A5B8 | 0.148 |
| Achromatopsia (no color) | #8E8E8E | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F8AFF
#4F8AFF
oklch(65.3% 0.185 262.4)
- #B88600
#B88600
oklch(65.2% 0.134 82.1)
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 #4F8AFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.030
- Soft Blue #6488EA ΔE 0.036
- Chefchaouen Blue #4895EF ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.045
- Cornflower #6A79F7 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.049
- Clear Blue #247AFD ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.070
Use #4F8AFF 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.