#4F574E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(44.7% 0.018 142.1), rgb(79, 87, 78).
Aa
White text reads best on this color (7.48:1).
About this color
#4F574E is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.053 away. White text reads best on it, at 7.48:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #4F574E |
| RGB | rgb(79, 87, 78) |
| HSL | hsl(113, 5%, 32%) |
| OKLCH | oklch(44.7% 0.018 142.1) |
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 #4F574E | 7.48:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #4F574E | 2.80:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #4F574E text on white | 7.48:1 | AAA | Lc 86.0 | Fine for body text |
| #4F574E text on black | 2.80:1 | Fails | Lc -16.0 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D7DAD7
oklch(88.5% 0.005 145.5)
-
Step 300
300
#BDC2BC
oklch(80.8% 0.01 140.5)
-
Step 400
400
#9BA39A
oklch(70.6% 0.016 142.2)
-
Step 500
500
#828D81
oklch(63.1% 0.022 143)
-
Step 600
600
#6C776B
oklch(55.6% 0.022 142.9)
-
Step 700
700
#5A6459
oklch(49.1% 0.021 142.7)
-
Step 800
800 (this color)
#4F574E
oklch(44.7% 0.018 142.1)
-
Step 900
900
#3E443D
oklch(37.9% 0.014 141.2)
-
Step 950
950
#242824
oklch(27.1% 0.009 145.3)
#4F574E 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) | #58554E | 0.015 |
| Deuteranopia (no green cones) | #56544E | 0.014 |
| Tritanopia (no blue cones) | #4F5654 | 0.011 |
| Achromatopsia (no color) | #555555 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F574E
#4F574E
oklch(44.7% 0.018 142.1)
- #59515A
#59515A
oklch(44.6% 0.018 322.4)
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 #4F574E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.057
- Slate #516572 ΔE 0.061
- Dusty Grape #545775 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.066
- Pine #2B5D34 ΔE 0.070
- Petrol #005F6A ΔE 0.071
- Deep Teal #00555A ΔE 0.073
Use #4F574E 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.