#4759B0
Closest named color: French Blue (#436BAD). oklch(49.5% 0.139 271.7), rgb(71, 89, 176).
Aa
White text reads best on this color (6.31:1).
About this color
#4759B0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.139 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.050 away. White text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #4759B0 |
| RGB | rgb(71, 89, 176) |
| HSL | hsl(230, 43%, 48%) |
| OKLCH | oklch(49.5% 0.139 271.7) |
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 #4759B0 | 6.31:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #4759B0 | 3.32:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #4759B0 text on white | 6.31:1 | AA | Lc 81.2 | Fine for body text |
| #4759B0 text on black | 3.32:1 | AA large text | Lc -20.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F3
oklch(88.5% 0.038 272.5)
-
Step 300
300
#B1BFED
oklch(81% 0.067 271.6)
-
Step 400
400
#899CE4
oklch(70.7% 0.108 272.1)
-
Step 500
500
#6C82DC
oklch(63% 0.138 271.6)
-
Step 600
600
#556ACA
oklch(55.6% 0.15 271.5)
-
Step 700
700 (this color)
#4759B0
oklch(49.5% 0.139 271.7)
-
Step 800
800
#39488D
oklch(42.6% 0.115 271.5)
-
Step 900
900
#313D71
oklch(37.7% 0.09 271.7)
-
Step 950
950
#1D2442
oklch(27% 0.057 272.2)
#4759B0 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) | #2D65B3 | 0.038 |
| Deuteranopia (no green cones) | #1A5BAE | 0.041 |
| Tritanopia (no blue cones) | #006D7C | 0.122 |
| Achromatopsia (no color) | #606060 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4759B0
#4759B0
oklch(49.5% 0.139 271.7)
- #775F00
#775F00
oklch(49.5% 0.101 91.5)
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 #4759B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.050
- Mid Blue #276AB3 ΔE 0.050
- Iris #6258C4 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.052
- Twilight #4E518B ΔE 0.060
- Warm Blue #4B57DB ΔE 0.068
- Slate Blue #6A5ACD ΔE 0.069
Use #4759B0 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.