#405FF6
Closest named color: Neon Blue (#4361EE). oklch(55.8% 0.227 268.7), rgb(64, 95, 246).
Aa
White text reads best on this color (5.01:1).
About this color
#405FF6 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.227 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.013 away. White text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.227) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #405FF6 |
| RGB | rgb(64, 95, 246) |
| HSL | hsl(230, 91%, 61%) |
| OKLCH | oklch(55.8% 0.227 268.7) |
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 #405FF6 | 5.01:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #405FF6 | 4.18:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #405FF6 text on white | 5.01:1 | AA | Lc 74.0 | Content text, not long reading |
| #405FF6 text on black | 4.18:1 | AA large text | Lc -27.7 | Dividers and decoration only |
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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#597DFF
oklch(63.2% 0.197 268.6)
-
Step 600
600 (this color)
#405FF6
oklch(55.8% 0.227 268.7)
-
Step 700
700
#334CD6
oklch(49.1% 0.212 268.8)
-
Step 800
800
#2A40AD
oklch(42.8% 0.175 268.8)
-
Step 900
900
#253889
oklch(37.7% 0.137 268.9)
-
Step 950
950
#152250
oklch(27.1% 0.086 268.3)
#405FF6 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) | #0078FB | 0.059 |
| Deuteranopia (no green cones) | #0067F3 | 0.035 |
| Tritanopia (no blue cones) | #0086A2 | 0.179 |
| Achromatopsia (no color) | #6F6F6F | 0.228 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405FF6
#405FF6
oklch(55.8% 0.227 268.7)
- #8F6F00
#8F6F00
oklch(55.8% 0.114 88.6)
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 #405FF6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.013
- Azul #1D5DEC ΔE 0.033
- Bright Blue #0165FC ΔE 0.034
- Royal Blue #4169E1 ΔE 0.040
- Cerulean Blue #056EEE ΔE 0.044
- Warm Blue #4B57DB ΔE 0.045
- Electric Blue #0652FF ΔE 0.051
- Clear Blue #247AFD ΔE 0.062
Use #405FF6 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.