#417DDD
Closest named color: Dark Sky Blue (#448EE4). oklch(59.8% 0.159 259.4), rgb(65, 125, 221).
Aa
Black text reads best on this color (5.20:1).
About this color
#417DDD is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.159 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.046 away. Black text reads best on it, at 5.20:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.20:1 |
| White text | 4.03:1 |
Values
| HEX | #417DDD |
| RGB | rgb(65, 125, 221) |
| HSL | hsl(217, 70%, 56%) |
| OKLCH | oklch(59.8% 0.159 259.4) |
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 #417DDD | 4.03:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #417DDD | 5.20:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #417DDD text on white | 4.03:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #417DDD text on black | 5.20:1 | AA | Lc -34.4 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A3C2F3
oklch(80.9% 0.077 259.4)
-
Step 400
400
#71A1EE
oklch(70.7% 0.125 259.5)
-
Step 500
500 (this color)
#417DDD
oklch(59.8% 0.159 259.4)
-
Step 600
600
#2D6FD6
oklch(55.7% 0.172 259.3)
-
Step 700
700
#205CBA
oklch(49.2% 0.161 259.5)
-
Step 800
800
#1C4C96
oklch(42.8% 0.132 259.1)
-
Step 900
900
#1D4078
oklch(37.8% 0.104 259.4)
-
Step 950
950
#122646
oklch(27.1% 0.065 259.4)
#417DDD 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) | #4E86E1 | 0.029 |
| Deuteranopia (no green cones) | #3178DB | 0.020 |
| Tritanopia (no blue cones) | #0093A2 | 0.126 |
| Achromatopsia (no color) | #7E7E7E | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #417DDD
#417DDD
oklch(59.8% 0.159 259.4)
- #A67500
#A67500
oklch(59.7% 0.124 79.4)
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 #417DDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.046
- Water Blue #0E87CC ΔE 0.047
- Windows Blue #3778BF ΔE 0.048
- Soft Blue #6488EA ΔE 0.052
- Royal Blue #4169E1 ΔE 0.052
- Clear Blue #247AFD ΔE 0.053
- Cerulean Blue #056EEE ΔE 0.061
- Cornflower #6A79F7 ΔE 0.061
Use #417DDD 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.