#5651FF
Closest named color: Neon Blue (#4361EE). oklch(55.5% 0.248 275.9), rgb(86, 81, 255).
Aa
White text reads best on this color (5.22:1).
About this color
#5651FF is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.248 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.044 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.248) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #5651FF |
| RGB | rgb(86, 81, 255) |
| HSL | hsl(242, 100%, 66%) |
| OKLCH | oklch(55.5% 0.248 275.9) |
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 #5651FF | 5.22:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #5651FF | 4.01:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #5651FF text on white | 5.22:1 | AA | Lc 75.1 | Fine for body text |
| #5651FF text on black | 4.01:1 | AA large text | Lc -26.6 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8796FF
oklch(70.7% 0.154 275.6)
-
Step 500
500
#6C77FF
oklch(63.2% 0.199 275.6)
-
Step 600
600 (this color)
#5651FF
oklch(55.5% 0.248 275.9)
-
Step 700
700
#4840DF
oklch(49.2% 0.231 276)
-
Step 800
800
#3A36B4
oklch(42.6% 0.192 275.9)
-
Step 900
900
#30328E
oklch(37.7% 0.149 275.7)
-
Step 950
950
#1C1E53
oklch(26.9% 0.095 276.3)
#5651FF 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) | #0074FF | 0.083 |
| Deuteranopia (no green cones) | #0065FC | 0.065 |
| Tritanopia (no blue cones) | #0080A2 | 0.199 |
| Achromatopsia (no color) | #6C6C6C | 0.249 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5651FF
#5651FF
oklch(55.5% 0.248 275.9)
- #877200
#877200
oklch(55.5% 0.114 96.2)
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 #5651FF, closest first.
No curated palette has a color within ΔE 0.04 of #5651FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.044
- Warm Blue #4B57DB ΔE 0.057
- Azul #1D5DEC ΔE 0.062
- Purpley Blue #5F34E7 ΔE 0.064
- Electric Blue #0652FF ΔE 0.064
- Bright Blue #0165FC ΔE 0.065
- Royal Blue #4169E1 ΔE 0.070
- Light Royal Blue #3A2EFE ΔE 0.073
Use #5651FF 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.