#4B5064
Closest named color: Dusty Grape (#545775). oklch(43.5% 0.034 273.9), rgb(75, 80, 100).
Aa
White text reads best on this color (7.98:1).
About this color
#4B5064 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.034 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.035 away. White text reads best on it, at 7.98:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.63:1 |
| White text | 7.98:1 |
Values
| HEX | #4B5064 |
| RGB | rgb(75, 80, 100) |
| HSL | hsl(228, 14%, 34%) |
| OKLCH | oklch(43.5% 0.034 273.9) |
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 #4B5064 | 7.98:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #4B5064 | 2.63:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #4B5064 text on white | 7.98:1 | AAA | Lc 87.7 | Fine for body text |
| #4B5064 text on black | 2.63:1 | Fails | Lc -14.5 | Not readable |
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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D7D9E1
oklch(88.6% 0.011 274.9)
-
Step 300
300
#BCC0CE
oklch(80.9% 0.02 273.2)
-
Step 400
400
#9AA0B5
oklch(70.8% 0.031 272.9)
-
Step 500
500
#8188A2
oklch(63% 0.04 273.4)
-
Step 600
600
#6B728D
oklch(55.6% 0.043 273.6)
-
Step 700
700
#595F78
oklch(49% 0.041 274.3)
-
Step 800
800 (this color)
#4B5064
oklch(43.5% 0.034 273.9)
-
Step 900
900
#3D4150
oklch(37.8% 0.026 273.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#4B5064 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) | #4A5265 | 0.006 |
| Deuteranopia (no green cones) | #495063 | 0.004 |
| Tritanopia (no blue cones) | #455457 | 0.030 |
| Achromatopsia (no color) | #515151 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5064
#4B5064
oklch(43.5% 0.034 273.9)
- #57513C
#57513C
oklch(43.5% 0.034 94)
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 #4B5064, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.038
- Dusk #4E5481 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.061
- Slate #516572 ΔE 0.064
- Light Navy Blue #2E5A88 ΔE 0.065
- Twilight #4E518B ΔE 0.065
Use #4B5064 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.