#4B68BA
Closest named color: French Blue (#436BAD). oklch(53.6% 0.133 267.2), rgb(75, 104, 186).
Aa
White text reads best on this color (5.26:1).
About this color
#4B68BA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.133 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.025 away. White text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #4B68BA |
| RGB | rgb(75, 104, 186) |
| HSL | hsl(224, 45%, 51%) |
| OKLCH | oklch(53.6% 0.133 267.2) |
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 #4B68BA | 5.26:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #4B68BA | 3.98:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #4B68BA text on white | 5.26:1 | AA | Lc 75.9 | Fine for body text |
| #4B68BA text on black | 3.98:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AFC0E8
oklch(80.8% 0.06 267)
-
Step 400
400
#869FDD
oklch(70.8% 0.096 267.1)
-
Step 500
500
#6886D3
oklch(63.1% 0.121 266.8)
-
Step 600
600 (this color)
#4B68BA
oklch(53.6% 0.133 267.2)
-
Step 700
700
#415CA6
oklch(49.1% 0.123 266.8)
-
Step 800
800
#364B87
oklch(42.7% 0.103 267.4)
-
Step 900
900
#2F3F6C
oklch(37.7% 0.08 267.7)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#4B68BA 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) | #4371BD | 0.024 |
| Deuteranopia (no green cones) | #3367B8 | 0.025 |
| Tritanopia (no blue cones) | #007A88 | 0.115 |
| Achromatopsia (no color) | #6C6C6C | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B68BA
#4B68BA
oklch(53.6% 0.133 267.2)
- #896800
#896800
oklch(53.6% 0.11 86.7)
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 #4B68BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.025
- Mid Blue #276AB3 ΔE 0.036
- Windows Blue #3778BF ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.048
- Iris #6258C4 ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.056
- Muted Blue #3B719F ΔE 0.057
- Royal Blue #4169E1 ΔE 0.060
Use #4B68BA 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.