#4180FF
Closest named color: Clear Blue (#247AFD). oklch(62.7% 0.2 262.4), rgb(65, 128, 255).
Aa
Black text reads best on this color (5.75:1).
About this color
#4180FF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.200 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.027 away. Black text reads best on it, at 5.75:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #4180FF |
| RGB | rgb(65, 128, 255) |
| HSL | hsl(220, 100%, 63%) |
| OKLCH | oklch(62.7% 0.2 262.4) |
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 #4180FF | 3.64:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #4180FF | 5.75:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #4180FF text on white | 3.64:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #4180FF text on black | 5.75:1 | AA | Lc -38.1 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C6DAFE
oklch(88.5% 0.054 262.2)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500 (this color)
#4180FF
oklch(62.7% 0.2 262.4)
-
Step 600
600
#2466F0
oklch(55.6% 0.218 262.5)
-
Step 700
700
#1754D1
oklch(49.2% 0.202 262.3)
-
Step 800
800
#1546A9
oklch(42.8% 0.168 262.2)
-
Step 900
900
#183C86
oklch(37.8% 0.131 262.5)
-
Step 950
950
#0F244E
oklch(27% 0.082 262.4)
#4180FF 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) | #318FFF | 0.037 |
| Deuteranopia (no green cones) | #007EFC | 0.030 |
| Tritanopia (no blue cones) | #009FB3 | 0.159 |
| Achromatopsia (no color) | #868686 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4180FF
#4180FF
oklch(62.7% 0.2 262.4)
- #AE7F00
#AE7F00
oklch(62.6% 0.129 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 #4180FF, closest first.
No curated palette has a color within ΔE 0.04 of #4180FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.027
- Dodger Blue #1E90FF ΔE 0.041
- Cornflower #6A79F7 ΔE 0.043
- Soft Blue #6488EA ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.064
- Cerulean Blue #056EEE ΔE 0.064
- Royal Blue #4169E1 ΔE 0.070
Use #4180FF 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.