#2E393C
Closest named color: Onyx (#343A40). oklch(33.6% 0.016 216.1), rgb(46, 57, 60).
Aa
White text reads best on this color (11.88:1).
About this color
#2E393C is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.013 away. White text reads best on it, at 11.88:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.76:1 |
| White text | 11.88:1 |
Values
| HEX | #2E393C |
| RGB | rgb(46, 57, 60) |
| HSL | hsl(193, 13%, 21%) |
| OKLCH | oklch(33.6% 0.016 216.1) |
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 #2E393C | 11.88:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #2E393C | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #2E393C text on white | 11.88:1 | AAA | Lc 97.3 | Preferred for body text |
| #2E393C text on black | 1.76:1 | Fails | Lc 0.0 | 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
#D5DADC
oklch(88.5% 0.006 223.5)
-
Step 300
300
#B9C3C5
oklch(81% 0.011 211)
-
Step 400
400
#94A4A8
oklch(70.7% 0.019 214.4)
-
Step 500
500
#7A8D93
oklch(63% 0.024 218.8)
-
Step 600
600
#63777D
oklch(55.5% 0.025 217.9)
-
Step 700
700
#52646A
oklch(49% 0.024 220)
-
Step 800
800
#435256
oklch(42.7% 0.02 215.7)
-
Step 900
900 (this color)
#2E393C
oklch(33.6% 0.016 216.1)
-
Step 950
950
#21282A
oklch(27.1% 0.011 216.9)
#2E393C 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) | #37383C | 0.014 |
| Deuteranopia (no green cones) | #34363C | 0.013 |
| Tritanopia (no blue cones) | #2A3A3A | 0.008 |
| Achromatopsia (no color) | #373737 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E393C
#2E393C
oklch(33.6% 0.016 216.1)
- #3E3431
#3E3431
oklch(33.5% 0.015 37.3)
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 #2E393C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.013
- Gunmetal #293241 ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.036
- Midnight Green #073B4C ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.046
- Charcoal #264653 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.058
Use #2E393C 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.