#4B5B4E
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.029 150.6), rgb(75, 91, 78).
Aa
White text reads best on this color (7.22:1).
About this color
#4B5B4E is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.047 away. White text reads best on it, at 7.22:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #4B5B4E |
| RGB | rgb(75, 91, 78) |
| HSL | hsl(131, 10%, 33%) |
| OKLCH | oklch(45.3% 0.029 150.6) |
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 #4B5B4E | 7.22:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #4B5B4E | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #4B5B4E text on white | 7.22:1 | AAA | Lc 85.1 | Fine for body text |
| #4B5B4E 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#B9C4BB
oklch(80.9% 0.017 151)
-
Step 400
400
#95A698
oklch(70.8% 0.028 150.6)
-
Step 500
500
#7B907F
oklch(63.2% 0.035 150.8)
-
Step 600
600
#647A68
oklch(55.6% 0.038 150.3)
-
Step 700
700
#536757
oklch(49.2% 0.035 150.9)
-
Step 800
800 (this color)
#4B5B4E
oklch(45.3% 0.029 150.6)
-
Step 900
900
#39453B
oklch(37.6% 0.023 150)
-
Step 950
950
#222823
oklch(26.9% 0.013 150.2)
#4B5B4E 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) | #5B584D | 0.025 |
| Deuteranopia (no green cones) | #58564F | 0.025 |
| Tritanopia (no blue cones) | #495A57 | 0.016 |
| Achromatopsia (no color) | #575757 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5B4E
#4B5B4E
oklch(45.3% 0.029 150.6)
- #60515E
#60515E
oklch(45.4% 0.028 330.4)
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 #4B5B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.057
- Slate #516572 ΔE 0.059
- Pine #2B5D34 ΔE 0.061
- Dark Aqua #05696B ΔE 0.066
- Petrol #005F6A ΔE 0.066
- YInMn Blue #415A77 ΔE 0.069
- Camo Green #526525 ΔE 0.071
Use #4B5B4E 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.