#4B5961
Closest named color: YInMn Blue (#415A77). oklch(45.5% 0.022 233), rgb(75, 89, 97).
Aa
White text reads best on this color (7.23:1).
About this color
#4B5961 is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.037 away. White text reads best on it, at 7.23:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #4B5961 |
| RGB | rgb(75, 89, 97) |
| HSL | hsl(202, 13%, 34%) |
| OKLCH | oklch(45.5% 0.022 233) |
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 #4B5961 | 7.23:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #4B5961 | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #4B5961 text on white | 7.23:1 | AAA | Lc 85.1 | Fine for body text |
| #4B5961 text on black | 2.90:1 | Fails | Lc -16.9 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D5DADD
oklch(88.5% 0.007 233.7)
-
Step 300
300
#B9C2C8
oklch(80.9% 0.013 236.7)
-
Step 400
400
#95A3AB
oklch(70.7% 0.02 232.6)
-
Step 500
500
#7A8D97
oklch(63.2% 0.027 230.7)
-
Step 600
600
#637781
oklch(55.7% 0.028 229.5)
-
Step 700
700
#52646D
oklch(49.2% 0.026 229.6)
-
Step 800
800 (this color)
#4B5961
oklch(45.5% 0.022 233)
-
Step 900
900
#394349
oklch(37.6% 0.017 234.2)
-
Step 950
950
#21272B
oklch(26.8% 0.011 237.1)
#4B5961 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) | #555861 | 0.015 |
| Deuteranopia (no green cones) | #525661 | 0.013 |
| Tritanopia (no blue cones) | #455B5B | 0.016 |
| Achromatopsia (no color) | #575757 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5961
#4B5961
oklch(45.5% 0.022 233)
- #61544C
#61544C
oklch(45.6% 0.021 53.6)
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 #4B5961, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.037
- Dusty Grape #545775 ΔE 0.039
- Slate #516572 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.057
- Petrol #005F6A ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.060
- Dusk #4E5481 ΔE 0.060
- Dark Aqua #05696B ΔE 0.065
Use #4B5961 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.