#475399
Closest named color: Twilight (#4E518B). oklch(46.7% 0.114 273.9), rgb(71, 83, 153).
Aa
White text reads best on this color (7.08:1).
About this color
#475399 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.114 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.024 away. White text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #475399 |
| RGB | rgb(71, 83, 153) |
| HSL | hsl(231, 37%, 44%) |
| OKLCH | oklch(46.7% 0.114 273.9) |
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 #475399 | 7.08:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #475399 | 2.96:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #475399 text on white | 7.08:1 | AAA | Lc 84.4 | Fine for body text |
| #475399 text on black | 2.96:1 | Fails | Lc -17.6 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B5BFE5
oklch(81% 0.055 273.5)
-
Step 400
400
#8F9DD8
oklch(70.7% 0.088 273.7)
-
Step 500
500
#7484CD
oklch(63.2% 0.112 273.4)
-
Step 600
600
#5E6CBA
oklch(55.6% 0.122 274.1)
-
Step 700
700 (this color)
#475399
oklch(46.7% 0.114 273.9)
-
Step 800
800
#3F4A82
oklch(42.8% 0.094 273.4)
-
Step 900
900
#363E68
oklch(37.7% 0.073 274.2)
-
Step 950
950
#1F243D
oklch(26.8% 0.047 274.2)
#475399 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) | #355C9C | 0.030 |
| Deuteranopia (no green cones) | #2C5597 | 0.032 |
| Tritanopia (no blue cones) | #21626E | 0.101 |
| Achromatopsia (no color) | #585858 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475399
#475399
oklch(46.7% 0.114 273.9)
- #6C5800
#6C5800
oklch(46.7% 0.096 93.5)
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 #475399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.030
- Dusky Blue #475F94 ΔE 0.037
- Dusk #4E5481 ΔE 0.041
- Dusk Blue #26538D ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.047
- Blueberry #464196 ΔE 0.048
- Denim #3B638C ΔE 0.056
Use #475399 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.