#4163BA
Closest named color: Mid Blue (#276AB3). oklch(52% 0.142 265.6), rgb(65, 99, 186).
Aa
White text reads best on this color (5.64:1).
About this color
#4163BA is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.142 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.031 away. White text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.71:1 |
| White text | 5.64:1 |
Values
| HEX | #4163BA |
| RGB | rgb(65, 99, 186) |
| HSL | hsl(223, 48%, 49%) |
| OKLCH | oklch(52% 0.142 265.6) |
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 #4163BA | 5.64:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #4163BA | 3.71:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #4163BA text on white | 5.64:1 | AA | Lc 78.0 | Fine for body text |
| #4163BA text on black | 3.71:1 | AA large text | Lc -23.8 | 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 700.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ABC0EE
oklch(80.8% 0.069 265.7)
-
Step 400
400
#809FE6
oklch(70.8% 0.11 265.7)
-
Step 500
500
#6085DE
oklch(63% 0.141 265.5)
-
Step 600
600
#486DCC
oklch(55.6% 0.153 265.7)
-
Step 700
700 (this color)
#4163BA
oklch(52% 0.142 265.6)
-
Step 800
800
#304A8F
oklch(42.7% 0.118 266)
-
Step 900
900
#2A3F72
oklch(37.8% 0.091 265.4)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#4163BA 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) | #376DBD | 0.027 |
| Deuteranopia (no green cones) | #2162B8 | 0.028 |
| Tritanopia (no blue cones) | #007785 | 0.119 |
| Achromatopsia (no color) | #676767 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4163BA
#4163BA
oklch(52% 0.142 265.6)
- #846300
#846300
oklch(51.9% 0.106 85.7)
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 #4163BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.031
- French Blue #436BAD ΔE 0.033
- Iris #6258C4 ΔE 0.052
- Windows Blue #3778BF ΔE 0.056
- Flat Blue #3C73A8 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.060
- Royal Blue #4169E1 ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.061
Use #4163BA 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.