#4783FE
Closest named color: Clear Blue (#247AFD). oklch(63.5% 0.194 262.6), rgb(71, 131, 254).
Aa
Black text reads best on this color (5.94:1).
About this color
#4783FE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.194 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.036 away. Black text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #4783FE |
| RGB | rgb(71, 131, 254) |
| HSL | hsl(220, 99%, 64%) |
| OKLCH | oklch(63.5% 0.194 262.6) |
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 #4783FE | 3.53:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #4783FE | 5.94:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #4783FE text on white | 3.53:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #4783FE text on black | 5.94:1 | AA | Lc -39.2 | 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
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFD
oklch(88.5% 0.053 262.7)
-
Step 300
300
#A0C1FF
oklch(80.9% 0.095 262.7)
-
Step 400
400
#6C9EFE
oklch(70.7% 0.151 262.4)
-
Step 500
500 (this color)
#4783FE
oklch(63.5% 0.194 262.6)
-
Step 600
600
#2967EC
oklch(55.6% 0.211 262.7)
-
Step 700
700
#1C55CD
oklch(49.1% 0.195 262.5)
-
Step 800
800
#1946A6
oklch(42.7% 0.163 262.7)
-
Step 900
900
#1A3C83
oklch(37.6% 0.126 262.7)
-
Step 950
950
#10244D
oklch(27% 0.08 262.7)
#4783FE 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) | #3C91FF | 0.035 |
| Deuteranopia (no green cones) | #0080FC | 0.035 |
| Tritanopia (no blue cones) | #00A0B4 | 0.154 |
| Achromatopsia (no color) | #888888 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4783FE
#4783FE
oklch(63.5% 0.194 262.6)
- #B18200
#B18200
oklch(63.6% 0.131 83)
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 #4783FE, closest first.
No curated palette has a color within ΔE 0.04 of #4783FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.036
- Cornflower #6A79F7 ΔE 0.041
- Soft Blue #6488EA ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.066
- Cerulean Blue #056EEE ΔE 0.073
Use #4783FE 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.