#494A57
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.3% 0.022 281.9), rgb(73, 74, 87).
Aa
White text reads best on this color (8.74:1).
About this color
#494A57 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.043 away. White text reads best on it, at 8.74:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #494A57 |
| RGB | rgb(73, 74, 87) |
| HSL | hsl(236, 9%, 31%) |
| OKLCH | oklch(41.3% 0.022 281.9) |
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 #494A57 | 8.74:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #494A57 | 2.40:1 | Fails | Lc 14.0 | Not readable |
| #494A57 text on white | 8.74:1 | AAA | Lc 90.0 | Fine for body text |
| #494A57 text on black | 2.40:1 | Fails | Lc -12.3 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9E9EC
oklch(93.5% 0.004 286.3)
-
Step 200
200
#D8D9DE
oklch(88.6% 0.007 277.2)
-
Step 300
300
#BFC0C9
oklch(81% 0.013 281)
-
Step 400
400
#9E9FAD
oklch(70.6% 0.02 282.6)
-
Step 500
500
#868899
oklch(63.1% 0.025 280.3)
-
Step 600
600
#707284
oklch(55.7% 0.028 280.4)
-
Step 700
700
#5E5F70
oklch(49.1% 0.027 282.7)
-
Step 800
800 (this color)
#494A57
oklch(41.3% 0.022 281.9)
-
Step 900
900
#40414B
oklch(37.8% 0.017 281)
-
Step 950
950
#25262C
oklch(27% 0.011 278.1)
#494A57 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) | #474B58 | 0.004 |
| Deuteranopia (no green cones) | #464A57 | 0.005 |
| Tritanopia (no blue cones) | #464C4E | 0.019 |
| Achromatopsia (no color) | #4B4B4B | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #494A57
#494A57
oklch(41.3% 0.022 281.9)
- #4D4C3E
#4D4C3E
oklch(41.3% 0.022 104)
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 #494A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.049
- Charcoal #264653 ΔE 0.052
- Dusty Grape #545775 ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Purple Brown #673A3F ΔE 0.068
- Onyx #343A40 ΔE 0.069
Use #494A57 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.