#4F5145
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.9% 0.019 114.9), rgb(79, 81, 69).
Aa
White text reads best on this color (8.09:1).
About this color
#4F5145 is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.048 away. White text reads best on it, at 8.09:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.59:1 |
| White text | 8.09:1 |
Values
| HEX | #4F5145 |
| RGB | rgb(79, 81, 69) |
| HSL | hsl(70, 8%, 29%) |
| OKLCH | oklch(42.9% 0.019 114.9) |
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 #4F5145 | 8.09:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #4F5145 | 2.59:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #4F5145 text on white | 8.09:1 | AAA | Lc 88.0 | Fine for body text |
| #4F5145 text on black | 2.59:1 | Fails | Lc -14.1 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#D9DAD5
oklch(88.6% 0.007 115.7)
-
Step 300
300
#C0C1B9
oklch(80.8% 0.011 112.4)
-
Step 400
400
#A0A295
oklch(70.7% 0.019 114)
-
Step 500
500
#898B7C
oklch(63.1% 0.022 113.2)
-
Step 600
600
#737565
oklch(55.6% 0.024 113)
-
Step 700
700
#606253
oklch(49% 0.023 113.4)
-
Step 800
800 (this color)
#4F5145
oklch(42.9% 0.019 114.9)
-
Step 900
900
#41433A
oklch(37.8% 0.015 117.3)
-
Step 950
950
#262722
oklch(27% 0.009 116.2)
#4F5145 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) | #535044 | 0.007 |
| Deuteranopia (no green cones) | #535045 | 0.007 |
| Tritanopia (no blue cones) | #50504E | 0.016 |
| Achromatopsia (no color) | #505050 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F5145
#4F5145
oklch(42.9% 0.019 114.9)
- #504E59
#504E59
oklch(43% 0.018 294)
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 #4F5145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.062
- Mud Brown #60460F ΔE 0.064
- Dark Green Blue #1F6357 ΔE 0.069
- Green Brown #544E03 ΔE 0.069
- Pine #2B5D34 ΔE 0.071
- Deep Teal #00555A ΔE 0.074
- Purple Brown #673A3F ΔE 0.074
Use #4F5145 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.