#45574F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.9% 0.026 166.4), rgb(69, 87, 79).
Aa
White text reads best on this color (7.69:1).
About this color
#45574F is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.041 away. White text reads best on it, at 7.69:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #45574F |
| RGB | rgb(69, 87, 79) |
| HSL | hsl(153, 12%, 31%) |
| OKLCH | oklch(43.9% 0.026 166.4) |
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 #45574F | 7.69:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #45574F | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #45574F text on white | 7.69:1 | AAA | Lc 86.7 | Fine for body text |
| #45574F text on black | 2.72:1 | Fails | Lc -15.4 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B8C4BE
oklch(80.9% 0.016 164.6)
-
Step 400
400
#93A69D
oklch(70.8% 0.025 165.5)
-
Step 500
500
#789085
oklch(63.1% 0.032 165.9)
-
Step 600
600
#617A6F
oklch(55.6% 0.034 166.6)
-
Step 700
700
#50675D
oklch(49.2% 0.032 166.7)
-
Step 800
800 (this color)
#45574F
oklch(43.9% 0.026 166.4)
-
Step 900
900
#38453F
oklch(37.7% 0.02 165.7)
-
Step 950
950
#212825
oklch(26.9% 0.011 167.8)
#45574F 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) | #56544F | 0.026 |
| Deuteranopia (no green cones) | #53524F | 0.025 |
| Tritanopia (no blue cones) | #415755 | 0.011 |
| Achromatopsia (no color) | #535353 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45574F
#45574F
oklch(43.9% 0.026 166.4)
- #5D4D55
#5D4D55
oklch(43.9% 0.025 346.6)
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 #45574F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.048
- Deep Teal #00555A ΔE 0.059
- Petrol #005F6A ΔE 0.060
- Pine #2B5D34 ΔE 0.063
- YInMn Blue #415A77 ΔE 0.064
- Dark Blue Green #005249 ΔE 0.065
- Slate #516572 ΔE 0.066
Use #45574F 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.