#407AE2
Closest named color: Royal Blue (#4169E1). oklch(59.5% 0.17 261), rgb(64, 122, 226).
Aa
Black text reads best on this color (5.10:1).
About this color
#407AE2 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.170 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.043 away. Black text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #407AE2 |
| RGB | rgb(64, 122, 226) |
| HSL | hsl(219, 74%, 57%) |
| OKLCH | oklch(59.5% 0.17 261) |
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 #407AE2 | 4.11:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #407AE2 | 5.10:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #407AE2 text on white | 4.11:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #407AE2 text on black | 5.10:1 | AA | Lc -33.7 | 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
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C8DAF8
oklch(88.4% 0.046 260.7)
-
Step 300
300
#A3C2F7
oklch(81% 0.083 261)
-
Step 400
400
#70A0F3
oklch(70.7% 0.133 260.8)
-
Step 500
500 (this color)
#407AE2
oklch(59.5% 0.17 261)
-
Step 600
600
#2D6CDD
oklch(55.5% 0.185 261)
-
Step 700
700
#205AC0
oklch(49.2% 0.171 260.8)
-
Step 800
800
#1D4A9B
oklch(42.7% 0.141 261)
-
Step 900
900
#1D3F7B
oklch(37.8% 0.11 260.8)
-
Step 950
950
#122548
oklch(27% 0.07 261.5)
#407AE2 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) | #4385E6 | 0.029 |
| Deuteranopia (no green cones) | #1E76E0 | 0.027 |
| Tritanopia (no blue cones) | #0092A3 | 0.134 |
| Achromatopsia (no color) | #7D7D7D | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407AE2
#407AE2
oklch(59.5% 0.17 261)
- #A47500
#A47500
oklch(59.4% 0.123 80.5)
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 #407AE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.043
- Clear Blue #247AFD ΔE 0.043
- Cerulean Blue #056EEE ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.054
- Windows Blue #3778BF ΔE 0.055
- Cornflower #6A79F7 ΔE 0.057
- Soft Blue #6488EA ΔE 0.057
- Water Blue #0E87CC ΔE 0.057
Use #407AE2 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.