#4B4E63
Closest named color: Dusty Grape (#545775). oklch(43% 0.035 278.5), rgb(75, 78, 99).
Aa
White text reads best on this color (8.17:1).
About this color
#4B4E63 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.035 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.039 away. White text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #4B4E63 |
| RGB | rgb(75, 78, 99) |
| HSL | hsl(233, 14%, 34%) |
| OKLCH | oklch(43% 0.035 278.5) |
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 #4B4E63 | 8.17:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #4B4E63 | 2.56:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #4B4E63 text on white | 8.17:1 | AAA | Lc 88.3 | Fine for body text |
| #4B4E63 text on black | 2.56:1 | Fails | Lc -13.9 | 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
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E1
oklch(88.4% 0.012 281.1)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400
#9B9FB5
oklch(70.7% 0.032 277.4)
-
Step 500
500
#8387A3
oklch(63% 0.042 278.7)
-
Step 600
600
#6D718E
oklch(55.6% 0.045 278.7)
-
Step 700
700
#5B5F79
oklch(49.2% 0.042 277.9)
-
Step 800
800 (this color)
#4B4E63
oklch(43% 0.035 278.5)
-
Step 900
900
#3E4050
oklch(37.6% 0.027 279.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#4B4E63 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) | #485064 | 0.007 |
| Deuteranopia (no green cones) | #474E62 | 0.007 |
| Tritanopia (no blue cones) | #455255 | 0.032 |
| Achromatopsia (no color) | #4F4F4F | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4E63
#4B4E63
oklch(43% 0.035 278.5)
- #54503A
#54503A
oklch(42.9% 0.035 99)
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 #4B4E63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.042
- Dusk #4E5481 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.058
- Charcoal #264653 ΔE 0.065
- Twilight #4E518B ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.067
Use #4B4E63 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.