#4171F1
Closest named color: Clear Blue (#247AFD). oklch(58.7% 0.2 265.2), rgb(65, 113, 241).
Aa
Black text reads best on this color (4.85:1).
About this color
#4171F1 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.200 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.030 away. Black text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #4171F1 |
| RGB | rgb(65, 113, 241) |
| HSL | hsl(224, 86%, 60%) |
| OKLCH | oklch(58.7% 0.2 265.2) |
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 #4171F1 | 4.32:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #4171F1 | 4.85:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #4171F1 text on white | 4.32:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #4171F1 text on black | 4.85:1 | AA | Lc -32.2 | 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 600.
-
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
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A5C0FC
oklch(80.9% 0.09 265.7)
-
Step 400
400
#759DFA
oklch(70.7% 0.144 265.3)
-
Step 500
500
#5281F7
oklch(63.1% 0.184 265.2)
-
Step 600
600 (this color)
#4171F1
oklch(58.7% 0.2 265.2)
-
Step 700
700
#2C55C8
oklch(49.2% 0.185 265.2)
-
Step 800
800
#2546A2
oklch(42.8% 0.154 265.3)
-
Step 900
900
#223C80
oklch(37.7% 0.119 265.3)
-
Step 950
950
#14244B
oklch(27.1% 0.075 265)
#4171F1 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) | #0582F5 | 0.045 |
| Deuteranopia (no green cones) | #0072EE | 0.032 |
| Tritanopia (no blue cones) | #0090A6 | 0.158 |
| Achromatopsia (no color) | #797979 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4171F1
#4171F1
oklch(58.7% 0.2 265.2)
- #9D7600
#9D7600
oklch(58.8% 0.121 85.4)
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 #4171F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.030
- Royal Blue #4169E1 ΔE 0.030
- Cerulean Blue #056EEE ΔE 0.034
- Neon Blue #4361EE ΔE 0.037
- Bright Blue #0165FC ΔE 0.051
- Cornflower #6A79F7 ΔE 0.053
- Azul #1D5DEC ΔE 0.060
- Warm Blue #4B57DB ΔE 0.067
Use #4171F1 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.