#3A4538
Closest named color: Charcoal Grey (#3C4142). oklch(37.6% 0.026 140.8), rgb(58, 69, 56).
Aa
White text reads best on this color (10.05:1).
About this color
#3A4538 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.025 away. White text reads best on it, at 10.05:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #3A4538 |
| RGB | rgb(58, 69, 56) |
| HSL | hsl(111, 10%, 25%) |
| OKLCH | oklch(37.6% 0.026 140.8) |
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 #3A4538 | 10.05:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #3A4538 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #3A4538 text on white | 10.05:1 | AAA | Lc 93.4 | Preferred for body text |
| #3A4538 text on black | 2.08:1 | Fails | Lc -9.1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D5DBD4
oklch(88.5% 0.011 141.3)
-
Step 300
300
#BAC4B8
oklch(80.9% 0.02 140.5)
-
Step 400
400
#96A694
oklch(70.7% 0.031 142.1)
-
Step 500
500
#7D9079
oklch(63.2% 0.04 140.2)
-
Step 600
600
#667A62
oklch(55.6% 0.043 140.4)
-
Step 700
700
#546751
oklch(49.1% 0.041 141.3)
-
Step 800
800
#455443
oklch(42.8% 0.033 141.8)
-
Step 900
900 (this color)
#3A4538
oklch(37.6% 0.026 140.8)
-
Step 950
950
#222921
oklch(27.1% 0.018 141.6)
#3A4538 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) | #464337 | 0.019 |
| Deuteranopia (no green cones) | #444239 | 0.019 |
| Tritanopia (no blue cones) | #394441 | 0.017 |
| Achromatopsia (no color) | #424242 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A4538
#3A4538
oklch(37.6% 0.026 140.8)
- #483D4A
#483D4A
oklch(37.6% 0.026 321.1)
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 #3A4538, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.041
- Onyx #343A40 ΔE 0.045
- Charcoal #264653 ΔE 0.049
- Dark Teal #014D4E ΔE 0.054
- Dark Blue Green #005249 ΔE 0.056
- Evergreen #05472A ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.061
Use #3A4538 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.