#3A474A
Closest named color: Charcoal Grey (#3C4142). oklch(38.8% 0.017 213.2), rgb(58, 71, 74).
Aa
White text reads best on this color (9.63:1).
About this color
#3A474A is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.020 away. White text reads best on it, at 9.63:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.18:1 |
| White text | 9.63:1 |
Values
| HEX | #3A474A |
| RGB | rgb(58, 71, 74) |
| HSL | hsl(191, 12%, 26%) |
| OKLCH | oklch(38.8% 0.017 213.2) |
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 #3A474A | 9.63:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #3A474A | 2.18:1 | Fails | Lc 11.6 | Not readable |
| #3A474A text on white | 9.63:1 | AAA | Lc 92.3 | Preferred for body text |
| #3A474A text on black | 2.18:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D4DADC
oklch(88.4% 0.007 219.6)
-
Step 300
300
#B8C3C6
oklch(81% 0.013 215.8)
-
Step 400
400
#92A4A8
oklch(70.6% 0.021 212.6)
-
Step 500
500
#788E93
oklch(63.1% 0.026 213)
-
Step 600
600
#60787E
oklch(55.6% 0.029 214.6)
-
Step 700
700
#4F656A
oklch(49.1% 0.028 213.1)
-
Step 800
800
#415256
oklch(42.6% 0.022 213.6)
-
Step 900
900 (this color)
#3A474A
oklch(38.8% 0.017 213.2)
-
Step 950
950
#20282A
oklch(27% 0.012 214.5)
#3A474A 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) | #45464A | 0.017 |
| Deuteranopia (no green cones) | #42444A | 0.015 |
| Tritanopia (no blue cones) | #354848 | 0.009 |
| Achromatopsia (no color) | #454545 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A474A
#3A474A
oklch(38.8% 0.017 213.2)
- #4D413E
#4D413E
oklch(38.7% 0.017 34.3)
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 #3A474A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.020
- Dark Slate Gray #2F4F4F ΔE 0.027
- Charcoal #264653 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.036
- Onyx #343A40 ΔE 0.044
- Dark Teal #014D4E ΔE 0.049
- Dark Blue Green #005249 ΔE 0.056
- Deep Teal #00555A ΔE 0.057
Use #3A474A 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.