#417CD2
Closest named color: Windows Blue (#3778BF). oklch(58.9% 0.146 257.9), rgb(65, 124, 210).
Aa
Black text reads best on this color (5.03:1).
About this color
#417CD2 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.146 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.032 away. Black text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.03:1 |
| White text | 4.16:1 |
Values
| HEX | #417CD2 |
| RGB | rgb(65, 124, 210) |
| HSL | hsl(216, 62%, 54%) |
| OKLCH | oklch(58.9% 0.146 257.9) |
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 #417CD2 | 4.16:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #417CD2 | 5.03:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #417CD2 text on white | 4.16:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #417CD2 text on black | 5.03:1 | AA | Lc -33.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CBDAF2
oklch(88.5% 0.037 259.8)
-
Step 300
300
#A7C2EB
oklch(80.8% 0.065 258.6)
-
Step 400
400
#77A2E2
oklch(70.7% 0.105 258.1)
-
Step 500
500
#538AD9
oklch(63.2% 0.133 257.5)
-
Step 600
600 (this color)
#417CD2
oklch(58.9% 0.146 257.9)
-
Step 700
700
#295FAC
oklch(49.1% 0.136 257.8)
-
Step 800
800
#244E8B
oklch(42.7% 0.112 258)
-
Step 900
900
#22416F
oklch(37.6% 0.087 258.2)
-
Step 950
950
#142741
oklch(27.1% 0.055 256.6)
#417CD2 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) | #5483D5 | 0.029 |
| Deuteranopia (no green cones) | #3D76D0 | 0.017 |
| Tritanopia (no blue cones) | #00909D | 0.116 |
| Achromatopsia (no color) | #7C7C7C | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #417CD2
#417CD2
oklch(58.9% 0.146 257.9)
- #A57200
#A57200
oklch(59% 0.123 77.6)
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 #417CD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.032
- Water Blue #0E87CC ΔE 0.039
- Cool Blue #4984B8 ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.052
- Steel Blue #4682B4 ΔE 0.053
- Royal Blue #4169E1 ΔE 0.057
- Soft Blue #6488EA ΔE 0.062
- Nice Blue #107AB0 ΔE 0.063
Use #417CD2 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.