#435153
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.4% 0.018 207), rgb(67, 81, 83).
Aa
White text reads best on this color (8.26:1).
About this color
#435153 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.029 away. White text reads best on it, at 8.26:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #435153 |
| RGB | rgb(67, 81, 83) |
| HSL | hsl(188, 11%, 29%) |
| OKLCH | oklch(42.4% 0.018 207) |
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 #435153 | 8.26:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #435153 | 2.54:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #435153 text on white | 8.26:1 | AAA | Lc 88.6 | Fine for body text |
| #435153 text on black | 2.54:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#B9C3C4
oklch(81% 0.011 204.1)
-
Step 400
400
#95A4A6
oklch(70.8% 0.017 206.4)
-
Step 500
500
#7B8D90
oklch(63% 0.021 208.7)
-
Step 600
600
#64777A
oklch(55.5% 0.023 208.1)
-
Step 700
700
#536467
oklch(49% 0.021 209.5)
-
Step 800
800 (this color)
#435153
oklch(42.4% 0.018 207)
-
Step 900
900
#394445
oklch(37.7% 0.014 203.3)
-
Step 950
950
#222829
oklch(27.1% 0.009 208.7)
#435153 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) | #4F5053 | 0.018 |
| Deuteranopia (no green cones) | #4C4D53 | 0.018 |
| Tritanopia (no blue cones) | #3E5252 | 0.008 |
| Achromatopsia (no color) | #4E4E4E | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435153
#435153
oklch(42.4% 0.018 207)
- #584A49
#584A49
oklch(42.3% 0.019 22.8)
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 #435153, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.029
- Deep Teal #00555A ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.054
- Charcoal #264653 ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.056
- YInMn Blue #415A77 ΔE 0.058
- Petrol #005F6A ΔE 0.062
- Dark Blue Green #005249 ΔE 0.062
Use #435153 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.