#4163D5
Closest named color: Royal Blue (#4169E1). oklch(53.9% 0.18 267.5), rgb(65, 99, 213).
Aa
White text reads best on this color (5.28:1).
About this color
#4163D5 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.180 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.023 away. White text reads best on it, at 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #4163D5 |
| RGB | rgb(65, 99, 213) |
| HSL | hsl(226, 64%, 55%) |
| OKLCH | oklch(53.9% 0.18 267.5) |
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 #4163D5 | 5.28:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #4163D5 | 3.97:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #4163D5 text on white | 5.28:1 | AA | Lc 75.9 | Fine for body text |
| #4163D5 text on black | 3.97:1 | AA large text | Lc -25.9 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CCD9F8
oklch(88.5% 0.045 267.4)
-
Step 300
300
#AAC0F6
oklch(81% 0.08 267.4)
-
Step 400
400
#7D9DF1
oklch(70.7% 0.129 267.3)
-
Step 500
500
#5E82EC
oklch(63.2% 0.164 267.5)
-
Step 600
600 (this color)
#4163D5
oklch(53.9% 0.18 267.5)
-
Step 700
700
#3856BE
oklch(49.1% 0.167 267.7)
-
Step 800
800
#2E479A
oklch(42.7% 0.139 267.6)
-
Step 900
900
#283C7A
oklch(37.6% 0.108 267.5)
-
Step 950
950
#182447
oklch(27% 0.067 267.5)
#4163D5 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) | #0A73D9 | 0.046 |
| Deuteranopia (no green cones) | #0065D3 | 0.037 |
| Tritanopia (no blue cones) | #007E92 | 0.145 |
| Achromatopsia (no color) | #6C6C6C | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4163D5
#4163D5
oklch(53.9% 0.18 267.5)
- #896900
#896900
oklch(53.8% 0.11 87.5)
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 #4163D5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.023
- Warm Blue #4B57DB ΔE 0.030
- Neon Blue #4361EE ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.047
- Azul #1D5DEC ΔE 0.048
- Cerulean Blue #056EEE ΔE 0.051
- Iris #6258C4 ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.056
Use #4163D5 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.