#4163E5
Closest named color: Neon Blue (#4361EE). oklch(55.1% 0.201 268), rgb(65, 99, 229).
Aa
White text reads best on this color (5.07:1).
About this color
#4163E5 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.201 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.015 away. White text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #4163E5 |
| RGB | rgb(65, 99, 229) |
| HSL | hsl(228, 76%, 58%) |
| OKLCH | oklch(55.1% 0.201 268) |
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 #4163E5 | 5.07:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #4163E5 | 4.14:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #4163E5 text on white | 5.07:1 | AA | Lc 74.5 | Content text, not long reading |
| #4163E5 text on black | 4.14:1 | AA large text | Lc -27.2 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A7BFFC
oklch(80.9% 0.091 267.7)
-
Step 400
400
#7A9BFA
oklch(70.6% 0.144 268.1)
-
Step 500
500
#5A7FF8
oklch(63.1% 0.185 268)
-
Step 600
600 (this color)
#4163E5
oklch(55.1% 0.201 268)
-
Step 700
700
#3552C9
oklch(49.1% 0.188 268.1)
-
Step 800
800
#2C44A2
oklch(42.7% 0.155 268.2)
-
Step 900
900
#263B81
oklch(37.8% 0.121 267.7)
-
Step 950
950
#17234B
oklch(27% 0.076 268.4)
#4163E5 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) | #0076E9 | 0.050 |
| Deuteranopia (no green cones) | #0067E2 | 0.036 |
| Tritanopia (no blue cones) | #00839A | 0.161 |
| Achromatopsia (no color) | #6E6E6E | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4163E5
#4163E5
oklch(55.1% 0.201 268)
- #8D6D00
#8D6D00
oklch(55.1% 0.113 88.2)
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 #4163E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.015
- Royal Blue #4169E1 ΔE 0.016
- Warm Blue #4B57DB ΔE 0.031
- Azul #1D5DEC ΔE 0.035
- Cerulean Blue #056EEE ΔE 0.038
- Bright Blue #0165FC ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.054
- Clear Blue #247AFD ΔE 0.063
Use #4163E5 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.