#343243
Closest named color: Gunmetal (#293241). oklch(32.6% 0.03 290), rgb(52, 50, 67).
Aa
White text reads best on this color (12.47:1).
About this color
#343243 is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.019 away. White text reads best on it, at 12.47:1.
| Hue family | Neutrals |
| Lightness | dark (33%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #343243 |
| RGB | rgb(52, 50, 67) |
| HSL | hsl(247, 15%, 23%) |
| OKLCH | oklch(32.6% 0.03 290) |
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 #343243 | 12.47:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #343243 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #343243 text on white | 12.47:1 | AAA | Lc 98.4 | Preferred for body text |
| #343243 text on black | 1.68:1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D9D8E1
oklch(88.6% 0.012 291.3)
-
Step 300
300
#C0BECF
oklch(80.8% 0.024 291.3)
-
Step 400
400
#A09DB6
oklch(70.7% 0.036 290.9)
-
Step 500
500
#8985A4
oklch(63.1% 0.046 290.9)
-
Step 600
600
#726F8F
oklch(55.6% 0.049 289)
-
Step 700
700
#605C7A
oklch(49% 0.048 290.6)
-
Step 800
800
#4E4C63
oklch(42.8% 0.038 288.7)
-
Step 900
900 (this color)
#343243
oklch(32.6% 0.03 290)
-
Step 950
950
#26252F
oklch(27% 0.018 289.7)
#343243 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) | #2E3444 | 0.011 |
| Deuteranopia (no green cones) | #2E3443 | 0.011 |
| Tritanopia (no blue cones) | #313538 | 0.026 |
| Achromatopsia (no color) | #343434 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #343243
#343243
oklch(32.6% 0.03 290)
- #353624
#353624
oklch(32.6% 0.03 110.6)
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 #343243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.019
- Space Cadet #2B2D42 ΔE 0.024
- Onyx #343A40 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.046
- Midnight Green #073B4C ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.061
Use #343243 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.