#394B50
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.9% 0.024 216.6), rgb(57, 75, 80).
Aa
White text reads best on this color (9.14:1).
About this color
#394B50 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.018 away. White text reads best on it, at 9.14:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #394B50 |
| RGB | rgb(57, 75, 80) |
| HSL | hsl(193, 17%, 27%) |
| OKLCH | oklch(39.9% 0.024 216.6) |
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 #394B50 | 9.14:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #394B50 | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #394B50 text on white | 9.14:1 | AAA | Lc 91.1 | Preferred for body text |
| #394B50 text on black | 2.29:1 | Fails | Lc -11.3 | 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
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDD
oklch(88.5% 0.01 212.5)
-
Step 300
300
#B4C4C8
oklch(80.9% 0.018 214.4)
-
Step 400
400
#8DA5AC
oklch(70.6% 0.029 217.3)
-
Step 500
500
#718F98
oklch(63% 0.036 218)
-
Step 600
600
#587A83
oklch(55.7% 0.041 215.9)
-
Step 700
700
#48666F
oklch(49% 0.038 218.4)
-
Step 800
800
#3C535A
oklch(42.6% 0.03 218.5)
-
Step 900
900 (this color)
#394B50
oklch(39.9% 0.024 216.6)
-
Step 950
950
#1E282B
oklch(26.9% 0.015 218)
#394B50 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) | #474A50 | 0.021 |
| Deuteranopia (no green cones) | #444750 | 0.020 |
| Tritanopia (no blue cones) | #324D4C | 0.014 |
| Achromatopsia (no color) | #484848 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394B50
#394B50
oklch(39.9% 0.024 216.6)
- #54433F
#54433F
oklch(40% 0.025 33.5)
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 #394B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.018
- Charcoal #264653 ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.035
- Dark Teal #014D4E ΔE 0.047
- Deep Teal #00555A ΔE 0.048
- Dark Blue Green #005249 ΔE 0.053
- Onyx #343A40 ΔE 0.056
Use #394B50 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.