#3E4E54
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.3% 0.023 222.7), rgb(62, 78, 84).
Aa
White text reads best on this color (8.66:1).
About this color
#3E4E54 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.022 away. White text reads best on it, at 8.66:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #3E4E54 |
| RGB | rgb(62, 78, 84) |
| HSL | hsl(196, 15%, 29%) |
| OKLCH | oklch(41.3% 0.023 222.7) |
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 #3E4E54 | 8.66:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #3E4E54 | 2.42:1 | Fails | Lc 14.2 | Not readable |
| #3E4E54 text on white | 8.66:1 | AAA | Lc 89.7 | Fine for body text |
| #3E4E54 text on black | 2.42:1 | Fails | Lc -12.5 | 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
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B8C3C7
oklch(81% 0.013 221.5)
-
Step 400
400
#93A4AA
oklch(70.7% 0.021 221)
-
Step 500
500
#788D95
oklch(63% 0.027 222.8)
-
Step 600
600
#617780
oklch(55.5% 0.029 224.6)
-
Step 700
700
#50646C
oklch(49% 0.027 224.2)
-
Step 800
800 (this color)
#3E4E54
oklch(41.3% 0.023 222.7)
-
Step 900
900
#384448
oklch(37.7% 0.017 220)
-
Step 950
950
#21282A
oklch(27.1% 0.011 216.9)
#3E4E54 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) | #4A4D54 | 0.018 |
| Deuteranopia (no green cones) | #474A54 | 0.018 |
| Tritanopia (no blue cones) | #375050 | 0.014 |
| Achromatopsia (no color) | #4B4B4B | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E4E54
#3E4E54
oklch(41.3% 0.023 222.7)
- #564741
#564741
oklch(41.1% 0.023 43)
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 #3E4E54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.022
- Charcoal #264653 ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.044
- Deep Teal #00555A ΔE 0.049
- Dark Teal #014D4E ΔE 0.055
- Dark Blue Green #005249 ΔE 0.058
- YInMn Blue #415A77 ΔE 0.061
Use #3E4E54 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.