#4B5966
Closest named color: YInMn Blue (#415A77). oklch(45.7% 0.028 246.5), rgb(75, 89, 102).
Aa
White text reads best on this color (7.19:1).
About this color
#4B5966 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.029 away. White text reads best on it, at 7.19:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #4B5966 |
| RGB | rgb(75, 89, 102) |
| HSL | hsl(209, 15%, 35%) |
| OKLCH | oklch(45.7% 0.028 246.5) |
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 #4B5966 | 7.19:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #4B5966 | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #4B5966 text on white | 7.19:1 | AAA | Lc 85.0 | Fine for body text |
| #4B5966 text on black | 2.91:1 | Fails | Lc -17.0 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B9C2CB
oklch(81% 0.016 248)
-
Step 400
400
#94A3B0
oklch(70.8% 0.026 244.3)
-
Step 500
500
#7A8C9D
oklch(63.2% 0.033 246.8)
-
Step 600
600
#637687
oklch(55.7% 0.035 245.5)
-
Step 700
700
#526373
oklch(49.2% 0.033 246.9)
-
Step 800
800 (this color)
#4B5966
oklch(45.7% 0.028 246.5)
-
Step 900
900
#39434D
oklch(37.8% 0.022 248.4)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#4B5966 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) | #545967 | 0.014 |
| Deuteranopia (no green cones) | #515666 | 0.012 |
| Tritanopia (no blue cones) | #435C5D | 0.023 |
| Achromatopsia (no color) | #575757 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5966
#4B5966
oklch(45.7% 0.028 246.5)
- #625447
#625447
oklch(45.6% 0.028 64.9)
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 #4B5966, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.029
- Dusty Grape #545775 ΔE 0.031
- Slate #516572 ΔE 0.039
- Dusk #4E5481 ΔE 0.052
- Petrol #005F6A ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.062
- Denim #3B638C ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.063
Use #4B5966 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.