#4A5145
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.5% 0.021 132.1), rgb(74, 81, 69).
Aa
White text reads best on this color (8.22:1).
About this color
#4A5145 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.040 away. White text reads best on it, at 8.22:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.55:1 |
| White text | 8.22:1 |
Values
| HEX | #4A5145 |
| RGB | rgb(74, 81, 69) |
| HSL | hsl(95, 8%, 29%) |
| OKLCH | oklch(42.5% 0.021 132.1) |
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 #4A5145 | 8.22:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #4A5145 | 2.55:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #4A5145 text on white | 8.22:1 | AAA | Lc 88.4 | Fine for body text |
| #4A5145 text on black | 2.55:1 | Fails | Lc -13.7 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D7DAD5
oklch(88.5% 0.007 132.4)
-
Step 300
300
#BEC2BA
oklch(80.9% 0.012 128.6)
-
Step 400
400
#9CA397
oklch(70.6% 0.019 131.9)
-
Step 500
500
#848D7D
oklch(63.1% 0.026 131.3)
-
Step 600
600
#6D7766
oklch(55.6% 0.028 132.3)
-
Step 700
700
#5B6455
oklch(49.1% 0.026 132.8)
-
Step 800
800 (this color)
#4A5145
oklch(42.5% 0.021 132.1)
-
Step 900
900
#3E443A
oklch(37.8% 0.018 132.7)
-
Step 950
950
#242822
oklch(27.1% 0.012 135.1)
#4A5145 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) | #524F44 | 0.013 |
| Deuteranopia (no green cones) | #514F46 | 0.013 |
| Tritanopia (no blue cones) | #4A504E | 0.016 |
| Achromatopsia (no color) | #4F4F4F | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A5145
#4A5145
oklch(42.5% 0.021 132.1)
- #524B57
#524B57
oklch(42.4% 0.021 311.3)
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 #4A5145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.065
- Pine #2B5D34 ΔE 0.066
- Dark Blue Green #005249 ΔE 0.067
- Mud Brown #60460F ΔE 0.067
- Deep Teal #00555A ΔE 0.067
- Green Brown #544E03 ΔE 0.069
Use #4A5145 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.