#475AA5
Closest named color: Dusky Blue (#475F94). oklch(49% 0.122 270.7), rgb(71, 90, 165).
Aa
White text reads best on this color (6.41:1).
About this color
#475AA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.122 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.033 away. White text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #475AA5 |
| RGB | rgb(71, 90, 165) |
| HSL | hsl(228, 40%, 46%) |
| OKLCH | oklch(49% 0.122 270.7) |
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 #475AA5 | 6.41:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #475AA5 | 3.27:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #475AA5 text on white | 6.41:1 | AA | Lc 81.7 | Fine for body text |
| #475AA5 text on black | 3.27:1 | AA large text | Lc -20.2 | 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 700.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D1D9F0
oklch(88.6% 0.033 270.4)
-
Step 300
300
#B2BFE8
oklch(80.8% 0.06 271.2)
-
Step 400
400
#8A9EDC
oklch(70.8% 0.094 270.2)
-
Step 500
500
#6E84D2
oklch(63% 0.12 270.7)
-
Step 600
600
#576DC0
oklch(55.7% 0.131 270.5)
-
Step 700
700 (this color)
#475AA5
oklch(49% 0.122 270.7)
-
Step 800
800
#3B4A86
oklch(42.7% 0.101 271)
-
Step 900
900
#323E6B
oklch(37.6% 0.079 270.9)
-
Step 950
950
#1D253F
oklch(27.1% 0.05 269.9)
#475AA5 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) | #3863A8 | 0.027 |
| Deuteranopia (no green cones) | #2C5BA3 | 0.029 |
| Tritanopia (no blue cones) | #0D6B77 | 0.110 |
| Achromatopsia (no color) | #5F5F5F | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475AA5
#475AA5
oklch(49% 0.122 270.7)
- #765D00
#765D00
oklch(49% 0.1 90.4)
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 #475AA5, closest first.
No curated palette has a color within ΔE 0.04 of #475AA5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.035
- Twilight #4E518B ΔE 0.045
- French Blue #436BAD ΔE 0.046
- Mid Blue #276AB3 ΔE 0.050
- Denim #3B638C ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.057
- Dusk #4E5481 ΔE 0.058
Use #475AA5 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.