#4B68BE
Closest named color: French Blue (#436BAD). oklch(53.8% 0.139 267.6), rgb(75, 104, 190).
Aa
White text reads best on this color (5.22:1).
About this color
#4B68BE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.139 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.031 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #4B68BE |
| RGB | rgb(75, 104, 190) |
| HSL | hsl(225, 47%, 52%) |
| OKLCH | oklch(53.8% 0.139 267.6) |
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 #4B68BE | 5.22:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #4B68BE | 4.02:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #4B68BE text on white | 5.22:1 | AA | Lc 75.7 | Fine for body text |
| #4B68BE text on black | 4.02:1 | AA large text | Lc -26.1 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AFC0EA
oklch(80.9% 0.062 267.7)
-
Step 400
400
#859EDF
oklch(70.6% 0.1 267.7)
-
Step 500
500
#6885D6
oklch(63.1% 0.127 267.8)
-
Step 600
600 (this color)
#4B68BE
oklch(53.8% 0.139 267.6)
-
Step 700
700
#415BA9
oklch(49.1% 0.128 267.7)
-
Step 800
800
#354B89
oklch(42.8% 0.106 267.2)
-
Step 900
900
#2E3F6E
oklch(37.8% 0.084 267.4)
-
Step 950
950
#1B2540
oklch(27% 0.052 267.5)
#4B68BE 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) | #4072C1 | 0.027 |
| Deuteranopia (no green cones) | #2E68BC | 0.029 |
| Tritanopia (no blue cones) | #007B8A | 0.119 |
| Achromatopsia (no color) | #6C6C6C | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B68BE
#4B68BE
oklch(53.8% 0.139 267.6)
- #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 #4B68BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.031
- Mid Blue #276AB3 ΔE 0.039
- Windows Blue #3778BF ΔE 0.045
- Iris #6258C4 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.052
- Flat Blue #3C73A8 ΔE 0.053
- Royal Blue #4169E1 ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.058
Use #4B68BE 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.