#364239
Closest named color: Charcoal Grey (#3C4142). oklch(36.5% 0.022 152.8), rgb(54, 66, 57).
Aa
White text reads best on this color (10.52:1).
About this color
#364239 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.022. 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 10.52:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #364239 |
| RGB | rgb(54, 66, 57) |
| HSL | hsl(135, 10%, 24%) |
| OKLCH | oklch(36.5% 0.022 152.8) |
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 #364239 | 10.52:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #364239 | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #364239 text on white | 10.52:1 | AAA | Lc 94.4 | Preferred for body text |
| #364239 text on black | 1.99:1 | Fails | Lc -8.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#B9C4BC
oklch(80.9% 0.016 154.4)
-
Step 400
400
#95A699
oklch(70.8% 0.027 152.7)
-
Step 500
500
#7B9080
oklch(63.2% 0.034 152.5)
-
Step 600
600
#647A69
oklch(55.7% 0.037 151.9)
-
Step 700
700
#526758
oklch(49.2% 0.035 153.9)
-
Step 800
800
#445448
oklch(42.8% 0.028 152.7)
-
Step 900
900 (this color)
#364239
oklch(36.5% 0.022 152.8)
-
Step 950
950
#212823
oklch(26.8% 0.014 154.3)
#364239 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) | #424039 | 0.020 |
| Deuteranopia (no green cones) | #403E39 | 0.020 |
| Tritanopia (no blue cones) | #34423F | 0.010 |
| Achromatopsia (no color) | #3F3F3F | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364239
#364239
oklch(36.5% 0.022 152.8)
- #463A44
#463A44
oklch(36.5% 0.023 331.7)
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 #364239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.020
- Onyx #343A40 ΔE 0.033
- Charcoal #264653 ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.046
- Dark Teal #014D4E ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.057
- Evergreen #05472A ΔE 0.060
Use #364239 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.