#4B536B
Closest named color: Dusty Grape (#545775). oklch(44.5% 0.041 270.3), rgb(75, 83, 107).
Aa
White text reads best on this color (7.63:1).
About this color
#4B536B is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.041 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.024 away. White text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.74:1 |
| White text | 7.63:1 |
Values
| HEX | #4B536B |
| RGB | rgb(75, 83, 107) |
| HSL | hsl(225, 18%, 36%) |
| OKLCH | oklch(44.5% 0.041 270.3) |
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 #4B536B | 7.63:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #4B536B | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #4B536B text on white | 7.63:1 | AAA | Lc 86.5 | Fine for body text |
| #4B536B text on black | 2.74:1 | Fails | Lc -15.5 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BAC0D1
oklch(80.8% 0.025 270.3)
-
Step 400
400
#97A0B9
oklch(70.7% 0.038 269.7)
-
Step 500
500
#7E88A8
oklch(63% 0.05 271.4)
-
Step 600
600
#677293
oklch(55.6% 0.053 270.3)
-
Step 700
700
#56607D
oklch(49.2% 0.048 269.8)
-
Step 800
800 (this color)
#4B536B
oklch(44.5% 0.041 270.3)
-
Step 900
900
#3B4153
oklch(37.7% 0.032 270.4)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#4B536B 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) | #4C556C | 0.006 |
| Deuteranopia (no green cones) | #49526A | 0.005 |
| Tritanopia (no blue cones) | #43585B | 0.037 |
| Achromatopsia (no color) | #535353 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B536B
#4B536B
oklch(44.5% 0.041 270.3)
- #5C533A
#5C533A
oklch(44.4% 0.04 90.6)
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 #4B536B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.024
- YInMn Blue #415A77 ΔE 0.026
- Dusk #4E5481 ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.055
- Slate #516572 ΔE 0.055
- Twilight #4E518B ΔE 0.056
- Denim #3B638C ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.063
Use #4B536B 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.