#4B516B
Closest named color: Dusty Grape (#545775). oklch(44% 0.044 274.4), rgb(75, 81, 107).
Aa
White text reads best on this color (7.81:1).
About this color
#4B516B is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.044 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.027 away. White text reads best on it, at 7.81:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #4B516B |
| RGB | rgb(75, 81, 107) |
| HSL | hsl(229, 18%, 36%) |
| OKLCH | oklch(44% 0.044 274.4) |
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 #4B516B | 7.81:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #4B516B | 2.68:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #4B516B text on white | 7.81:1 | AAA | Lc 87.1 | Fine for body text |
| #4B516B text on black | 2.68:1 | Fails | Lc -15.0 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400
#989FBB
oklch(70.6% 0.042 274.2)
-
Step 500
500
#7F88AA
oklch(63.2% 0.052 273.3)
-
Step 600
600
#697195
oklch(55.6% 0.057 274.7)
-
Step 700
700
#575F7F
oklch(49.1% 0.052 273.5)
-
Step 800
800 (this color)
#4B516B
oklch(44% 0.044 274.4)
-
Step 900
900
#3C4054
oklch(37.6% 0.035 275.8)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#4B516B 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) | #49536C | 0.006 |
| Deuteranopia (no green cones) | #47516A | 0.006 |
| Tritanopia (no blue cones) | #43565A | 0.039 |
| Achromatopsia (no color) | #525252 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B516B
#4B516B
oklch(44% 0.044 274.4)
- #5A5237
#5A5237
oklch(43.9% 0.042 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 #4B516B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.030
- Dusk #4E5481 ΔE 0.036
- Twilight #4E518B ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.056
- Slate #516572 ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.065
Use #4B516B 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.