#4B648F
Closest named color: Dusky Blue (#475F94). oklch(50.2% 0.075 260.9), rgb(75, 100, 143).
Aa
White text reads best on this color (5.96:1).
About this color
#4B648F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.075 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.020 away. White text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.51:1 |
| White text | 5.96:1 |
Values
| HEX | #4B648F |
| RGB | rgb(75, 100, 143) |
| HSL | hsl(218, 31%, 43%) |
| OKLCH | oklch(50.2% 0.075 260.9) |
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 #4B648F | 5.96:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #4B648F | 3.51:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #4B648F text on white | 5.96:1 | AA | Lc 79.8 | Fine for body text |
| #4B648F text on black | 3.51:1 | AA large text | Lc -22.1 | 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
#D2DAE7
oklch(88.6% 0.02 260.2)
-
Step 300
300
#B4C1D9
oklch(80.9% 0.037 262.8)
-
Step 400
400
#8CA2C6
oklch(70.8% 0.058 260.2)
-
Step 500
500
#708AB7
oklch(63.1% 0.075 261.2)
-
Step 600
600
#5874A3
oklch(55.7% 0.081 260.5)
-
Step 700
700 (this color)
#4B648F
oklch(50.2% 0.075 260.9)
-
Step 800
800
#3B4F71
oklch(42.6% 0.062 260.7)
-
Step 900
900
#33425C
oklch(37.8% 0.049 261.1)
-
Step 950
950
#1E2736
oklch(27.1% 0.031 260.5)
#4B648F 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) | #546791 | 0.016 |
| Deuteranopia (no green cones) | #4C618E | 0.009 |
| Tritanopia (no blue cones) | #306D73 | 0.067 |
| Achromatopsia (no color) | #636363 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B648F
#4B648F
oklch(50.2% 0.075 260.9)
- #7A5F2E
#7A5F2E
oklch(50.2% 0.075 80.5)
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 #4B648F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.020
- Denim #3B638C ΔE 0.020
- Denim Blue #3B5B92 ΔE 0.036
- Muted Blue #3B719F ΔE 0.041
- Metallic Blue #4F738E ΔE 0.046
- Dusk #4E5481 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.047
- French Blue #436BAD ΔE 0.048
Use #4B648F 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.