#4668B5
Closest named color: French Blue (#436BAD). oklch(53% 0.127 264.5), rgb(70, 104, 181).
Aa
White text reads best on this color (5.37:1).
About this color
#4668B5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.127 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.017 away. White text reads best on it, at 5.37:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #4668B5 |
| RGB | rgb(70, 104, 181) |
| HSL | hsl(222, 44%, 49%) |
| OKLCH | oklch(53% 0.127 264.5) |
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 #4668B5 | 5.37:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #4668B5 | 3.90:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #4668B5 text on white | 5.37:1 | AA | Lc 76.6 | Fine for body text |
| #4668B5 text on black | 3.90:1 | AA large text | Lc -25.2 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AEC1E7
oklch(80.9% 0.058 264.2)
-
Step 400
400
#84A0DA
oklch(70.7% 0.091 264.3)
-
Step 500
500
#6687D0
oklch(63% 0.117 264.8)
-
Step 600
600 (this color)
#4668B5
oklch(53% 0.127 264.5)
-
Step 700
700
#3E5DA4
oklch(49.1% 0.12 264.6)
-
Step 800
800
#334C84
oklch(42.5% 0.098 264.5)
-
Step 900
900
#2D406A
oklch(37.7% 0.076 264.6)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#4668B5 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) | #4570B8 | 0.022 |
| Deuteranopia (no green cones) | #3666B3 | 0.018 |
| Tritanopia (no blue cones) | #007985 | 0.110 |
| Achromatopsia (no color) | #6A6A6A | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4668B5
#4668B5
oklch(53% 0.127 264.5)
- #896500
#896500
oklch(52.9% 0.109 84)
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 #4668B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.017
- Mid Blue #276AB3 ΔE 0.028
- Flat Blue #3C73A8 ΔE 0.041
- Windows Blue #3778BF ΔE 0.044
- Muted Blue #3B719F ΔE 0.049
- Dusky Blue #475F94 ΔE 0.054
- Nice Blue #107AB0 ΔE 0.059
- Iris #6258C4 ΔE 0.059
Use #4668B5 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.