#4A71AF
Closest named color: French Blue (#436BAD). oklch(54.8% 0.107 259.3), rgb(74, 113, 175).
Aa
White text reads best on this color (4.91:1).
About this color
#4A71AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.107 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.020 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #4A71AF |
| RGB | rgb(74, 113, 175) |
| HSL | hsl(217, 41%, 49%) |
| OKLCH | oklch(54.8% 0.107 259.3) |
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 #4A71AF | 4.91:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #4A71AF | 4.27:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #4A71AF text on white | 4.91:1 | AA | Lc 73.9 | Content text, not long reading |
| #4A71AF text on black | 4.27:1 | AA large text | Lc -27.8 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AEC2E0
oklch(80.9% 0.048 258.4)
-
Step 400
400
#84A2D1
oklch(70.7% 0.077 259.2)
-
Step 500
500
#658AC5
oklch(63.1% 0.099 259.5)
-
Step 600
600 (this color)
#4A71AF
oklch(54.8% 0.107 259.3)
-
Step 700
700
#3D6099
oklch(49% 0.101 259.7)
-
Step 800
800
#334F7C
oklch(42.7% 0.083 259.5)
-
Step 900
900
#2D4264
oklch(37.8% 0.064 259.7)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#4A71AF 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) | #5776B2 | 0.022 |
| Deuteranopia (no green cones) | #4B6CAE | 0.014 |
| Tritanopia (no blue cones) | #007F88 | 0.094 |
| Achromatopsia (no color) | #717171 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A71AF
#4A71AF
oklch(54.8% 0.107 259.3)
- #926914
#926914
oklch(54.9% 0.107 79.7)
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 #4A71AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.020
- Flat Blue #3C73A8 ΔE 0.020
- Windows Blue #3778BF ΔE 0.030
- Muted Blue #3B719F ΔE 0.031
- Dull Blue #49759C ΔE 0.035
- Mid Blue #276AB3 ΔE 0.041
- Nice Blue #107AB0 ΔE 0.042
- Cerulean #457B9D ΔE 0.046
Use #4A71AF 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.