#475DA1
Closest named color: Dusky Blue (#475F94). oklch(49.4% 0.112 268.6), rgb(71, 93, 161).
Aa
White text reads best on this color (6.27:1).
About this color
#475DA1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.112 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.023 away. White text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #475DA1 |
| RGB | rgb(71, 93, 161) |
| HSL | hsl(225, 39%, 45%) |
| OKLCH | oklch(49.4% 0.112 268.6) |
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 #475DA1 | 6.27:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #475DA1 | 3.34:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #475DA1 text on white | 6.27:1 | AA | Lc 81.1 | Fine for body text |
| #475DA1 text on black | 3.34:1 | AA large text | Lc -20.8 | 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 700.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EE
oklch(88.6% 0.03 269.1)
-
Step 300
300
#B2C0E5
oklch(80.9% 0.055 268.9)
-
Step 400
400
#8A9FD7
oklch(70.8% 0.086 268.3)
-
Step 500
500
#6D86CD
oklch(63.1% 0.111 268.4)
-
Step 600
600
#566FBA
oklch(55.7% 0.12 268.4)
-
Step 700
700 (this color)
#475DA1
oklch(49.4% 0.112 268.6)
-
Step 800
800
#3A4C82
oklch(42.9% 0.093 268.4)
-
Step 900
900
#313F68
oklch(37.6% 0.073 268.5)
-
Step 950
950
#1D253D
oklch(26.9% 0.046 269.1)
#475DA1 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) | #4064A4 | 0.020 |
| Deuteranopia (no green cones) | #355CA0 | 0.021 |
| Tritanopia (no blue cones) | #146C77 | 0.101 |
| Achromatopsia (no color) | #606060 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475DA1
#475DA1
oklch(49.4% 0.112 268.6)
- #795D00
#795D00
oklch(49.3% 0.101 88.1)
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 #475DA1, closest first.
No curated palette has a color within ΔE 0.04 of #475DA1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.029
- French Blue #436BAD ΔE 0.040
- Twilight #4E518B ΔE 0.044
- Denim #3B638C ΔE 0.044
- Mid Blue #276AB3 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusk #4E5481 ΔE 0.053
Use #475DA1 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.