#4B5285
Closest named color: Dusk (#4E5481). oklch(45.6% 0.083 276.6), rgb(75, 82, 133).
Aa
White text reads best on this color (7.38:1).
About this color
#4B5285 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.083 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.011 away. White text reads best on it, at 7.38:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #4B5285 |
| RGB | rgb(75, 82, 133) |
| HSL | hsl(233, 28%, 41%) |
| OKLCH | oklch(45.6% 0.083 276.6) |
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 #4B5285 | 7.38:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #4B5285 | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #4B5285 text on white | 7.38:1 | AAA | Lc 85.6 | Fine for body text |
| #4B5285 text on black | 2.84:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B8BEE1
oklch(80.8% 0.05 277.6)
-
Step 400
400
#939DD1
oklch(70.7% 0.077 275.8)
-
Step 500
500
#7A84C5
oklch(63.2% 0.098 276.5)
-
Step 600
600
#636CB2
oklch(55.5% 0.109 276.7)
-
Step 700
700
#525A99
oklch(49% 0.101 276.5)
-
Step 800
800 (this color)
#4B5285
oklch(45.6% 0.083 276.6)
-
Step 900
900
#393E64
oklch(37.7% 0.065 277.1)
-
Step 950
950
#21243A
oklch(26.8% 0.041 277.3)
#4B5285 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) | #405887 | 0.021 |
| Deuteranopia (no green cones) | #3C5384 | 0.021 |
| Tritanopia (no blue cones) | #385C65 | 0.073 |
| Achromatopsia (no color) | #565656 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5285
#4B5285
oklch(45.6% 0.083 276.6)
- #645716
#645716
oklch(45.7% 0.084 97.5)
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 #4B5285, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.011
- Twilight #4E518B ΔE 0.012
- Denim Blue #3B5B92 ΔE 0.033
- Dusty Grape #545775 ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.040
- Dusk Blue #26538D ΔE 0.044
Use #4B5285 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.