#475A88
Closest named color: Dusk (#4E5481). oklch(47.3% 0.079 266.4), rgb(71, 90, 136).
Aa
White text reads best on this color (6.80:1).
About this color
#475A88 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.079 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.020 away. White text reads best on it, at 6.80:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #475A88 |
| RGB | rgb(71, 90, 136) |
| HSL | hsl(222, 31%, 41%) |
| OKLCH | oklch(47.3% 0.079 266.4) |
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 #475A88 | 6.80:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #475A88 | 3.08:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #475A88 text on white | 6.80:1 | AA | Lc 83.4 | Fine for body text |
| #475A88 text on black | 3.08:1 | AA large text | Lc -18.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B5C1DA
oklch(81% 0.038 265.1)
-
Step 400
400
#8FA0C7
oklch(70.6% 0.06 266.4)
-
Step 500
500
#7488B9
oklch(63% 0.078 267.1)
-
Step 600
600
#5C72A5
oklch(55.6% 0.084 265.9)
-
Step 700
700 (this color)
#475A88
oklch(47.3% 0.079 266.4)
-
Step 800
800
#3E4E73
oklch(42.7% 0.065 265.8)
-
Step 900
900
#35415D
oklch(37.7% 0.051 266.2)
-
Step 950
950
#1F2636
oklch(26.9% 0.032 266.1)
#475A88 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) | #495E8A | 0.012 |
| Deuteranopia (no green cones) | #425887 | 0.009 |
| Tritanopia (no blue cones) | #2E646B | 0.070 |
| Achromatopsia (no color) | #5B5B5B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475A88
#475A88
oklch(47.3% 0.079 266.4)
- #6F5821
#6F5821
oklch(47.2% 0.078 86)
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 #475A88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.020
- Denim Blue #3B5B92 ΔE 0.021
- Dusky Blue #475F94 ΔE 0.022
- Denim #3B638C ΔE 0.027
- Twilight #4E518B ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.030
- Dusty Grape #545775 ΔE 0.034
Use #475A88 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.