#494657
Closest named color: Charcoal Grey (#3C4142). oklch(40.4% 0.028 293.2), rgb(73, 70, 87).
Aa
White text reads best on this color (9.14:1).
About this color
#494657 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.043 away. White text reads best on it, at 9.14:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #494657 |
| RGB | rgb(73, 70, 87) |
| HSL | hsl(251, 11%, 31%) |
| OKLCH | oklch(40.4% 0.028 293.2) |
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 #494657 | 9.14:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #494657 | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #494657 text on white | 9.14:1 | AAA | Lc 91.1 | Preferred for body text |
| #494657 text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#D9D8DF
oklch(88.5% 0.01 292.8)
-
Step 300
300
#C1BFCB
oklch(81% 0.017 293.7)
-
Step 400
400
#A19EB0
oklch(70.8% 0.026 293.4)
-
Step 500
500
#8A869D
oklch(63.1% 0.034 293.4)
-
Step 600
600
#747087
oklch(55.7% 0.036 293.2)
-
Step 700
700
#615D73
oklch(49% 0.035 293.4)
-
Step 800
800 (this color)
#494657
oklch(40.4% 0.028 293.2)
-
Step 900
900
#42404D
oklch(37.9% 0.022 292.4)
-
Step 950
950
#27252D
oklch(27% 0.015 296.8)
#494657 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) | #424858 | 0.012 |
| Deuteranopia (no green cones) | #434857 | 0.011 |
| Tritanopia (no blue cones) | #46494C | 0.024 |
| Achromatopsia (no color) | #484848 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #494657
#494657
oklch(40.4% 0.028 293.2)
- #484B39
#484B39
oklch(40.5% 0.029 115.4)
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 #494657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Onyx #343A40 ΔE 0.062
- Purple Brown #673A3F ΔE 0.065
- Dusty Grape #545775 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.069
Use #494657 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.