#3E525B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.5% 0.029 227.2), rgb(62, 82, 91).
Aa
White text reads best on this color (8.19:1).
About this color
#3E525B is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.030 away. White text reads best on it, at 8.19:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #3E525B |
| RGB | rgb(62, 82, 91) |
| HSL | hsl(199, 19%, 30%) |
| OKLCH | oklch(42.5% 0.029 227.2) |
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 #3E525B | 8.19:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #3E525B | 2.56:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #3E525B text on white | 8.19:1 | AAA | Lc 88.3 | Fine for body text |
| #3E525B text on black | 2.56:1 | Fails | Lc -13.8 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D3DADE
oklch(88.4% 0.009 232.4)
-
Step 300
300
#B6C3C9
oklch(80.9% 0.017 227)
-
Step 400
400
#90A4AE
oklch(70.6% 0.027 229.3)
-
Step 500
500
#748E9A
oklch(63.1% 0.035 227.6)
-
Step 600
600
#5C7885
oklch(55.6% 0.038 228)
-
Step 700
700
#4C6570
oklch(49.1% 0.035 226.7)
-
Step 800
800 (this color)
#3E525B
oklch(42.5% 0.029 227.2)
-
Step 900
900
#35444B
oklch(37.6% 0.023 228)
-
Step 950
950
#1F282C
oklch(27% 0.015 226.6)
#3E525B 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) | #4D515B | 0.022 |
| Deuteranopia (no green cones) | #494D5B | 0.021 |
| Tritanopia (no blue cones) | #355555 | 0.020 |
| Achromatopsia (no color) | #4F4F4F | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E525B
#3E525B
oklch(42.5% 0.029 227.2)
- #5C4A41
#5C4A41
oklch(42.5% 0.029 48)
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 #3E525B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.030
- YInMn Blue #415A77 ΔE 0.048
- Deep Teal #00555A ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.050
- Charcoal #264653 ΔE 0.052
- Petrol #005F6A ΔE 0.053
- Dusty Grape #545775 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.059
Use #3E525B 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.