#475DAE
Closest named color: French Blue (#436BAD). oklch(50.2% 0.131 269.8), rgb(71, 93, 174).
Aa
White text reads best on this color (6.09:1).
About this color
#475DAE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.131 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.039 away. White text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #475DAE |
| RGB | rgb(71, 93, 174) |
| HSL | hsl(227, 42%, 48%) |
| OKLCH | oklch(50.2% 0.131 269.8) |
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 #475DAE | 6.09:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #475DAE | 3.44:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #475DAE text on white | 6.09:1 | AA | Lc 80.2 | Fine for body text |
| #475DAE text on black | 3.44:1 | AA large text | Lc -21.6 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0BFEB
oklch(80.8% 0.065 270.2)
-
Step 400
400
#889EE0
oklch(70.8% 0.1 269.6)
-
Step 500
500
#6B84D8
oklch(63.2% 0.13 269.9)
-
Step 600
600
#536CC5
oklch(55.6% 0.141 269.6)
-
Step 700
700 (this color)
#475DAE
oklch(50.2% 0.131 269.8)
-
Step 800
800
#384A8A
oklch(42.8% 0.108 269.6)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#475DAE 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) | #3767B1 | 0.029 |
| Deuteranopia (no green cones) | #285EAC | 0.031 |
| Tritanopia (no blue cones) | #006F7D | 0.115 |
| Achromatopsia (no color) | #626262 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475DAE
#475DAE
oklch(50.2% 0.131 269.8)
- #7B6000
#7B6000
oklch(50.2% 0.103 89.4)
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 #475DAE, closest first.
No curated palette has a color within ΔE 0.04 of #475DAE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.039
- Mid Blue #276AB3 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.048
- Iris #6258C4 ΔE 0.053
- Twilight #4E518B ΔE 0.060
- Denim #3B638C ΔE 0.063
- Flat Blue #3C73A8 ΔE 0.064
Use #475DAE 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.