#394537
Closest named color: Charcoal Grey (#3C4142). oklch(37.5% 0.028 141.1), rgb(57, 69, 55).
Aa
White text reads best on this color (10.09:1).
About this color
#394537 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.027 away. White text reads best on it, at 10.09:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.09:1 |
Values
| HEX | #394537 |
| RGB | rgb(57, 69, 55) |
| HSL | hsl(111, 11%, 24%) |
| OKLCH | oklch(37.5% 0.028 141.1) |
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 #394537 | 10.09:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #394537 | 2.08:1 | Fails | Lc 10.5 | Not readable |
| #394537 text on white | 10.09:1 | AAA | Lc 93.4 | Preferred for body text |
| #394537 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
#B9C4B8
oklch(80.8% 0.021 143)
-
Step 400
400
#95A693
oklch(70.6% 0.033 142.3)
-
Step 500
500
#7B9078
oklch(63% 0.043 141.6)
-
Step 600
600
#647B61
oklch(55.7% 0.048 141.9)
-
Step 700
700
#536750
oklch(49% 0.043 141.4)
-
Step 800
800
#445442
oklch(42.7% 0.035 142)
-
Step 900
900 (this color)
#394537
oklch(37.5% 0.028 141.1)
-
Step 950
950
#222921
oklch(27.1% 0.018 141.6)
#394537 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) | #464236 | 0.022 |
| Deuteranopia (no green cones) | #444138 | 0.022 |
| Tritanopia (no blue cones) | #384441 | 0.018 |
| Achromatopsia (no color) | #424242 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394537
#394537
oklch(37.5% 0.028 141.1)
- #483C4A
#483C4A
oklch(37.4% 0.028 321.5)
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 #394537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.042
- Onyx #343A40 ΔE 0.046
- Charcoal #264653 ΔE 0.050
- Dark Teal #014D4E ΔE 0.054
- Dark Blue Green #005249 ΔE 0.056
- Evergreen #05472A ΔE 0.058
- Dark Olive #373E02 ΔE 0.061
Use #394537 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.