#394752
Closest named color: Charcoal (#264653). oklch(39% 0.026 242), rgb(57, 71, 82).
Aa
White text reads best on this color (9.55:1).
About this color
#394752 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Charcoal (#264653), ΔE 0.025 away. White text reads best on it, at 9.55:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Charcoal (#264653) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #394752 |
| RGB | rgb(57, 71, 82) |
| HSL | hsl(206, 18%, 27%) |
| OKLCH | oklch(39% 0.026 242) |
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 #394752 | 9.55:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #394752 | 2.19:1 | Fails | Lc 11.8 | Not readable |
| #394752 text on white | 9.55:1 | AAA | Lc 92.1 | Preferred for body text |
| #394752 text on black | 2.19:1 | Fails | Lc -10.3 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CC
oklch(80.8% 0.019 243)
-
Step 400
400
#90A3B3
oklch(70.6% 0.032 243.6)
-
Step 500
500
#758DA0
oklch(63.1% 0.04 242.2)
-
Step 600
600
#5D778B
oklch(55.6% 0.043 241.6)
-
Step 700
700
#4D6476
oklch(49.2% 0.04 242.2)
-
Step 800
800
#3F5260
oklch(42.8% 0.033 240.5)
-
Step 900
900 (this color)
#394752
oklch(39% 0.026 242)
-
Step 950
950
#1F282E
oklch(27.1% 0.017 237.4)
#394752 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) | #424753 | 0.014 |
| Deuteranopia (no green cones) | #3F4452 | 0.012 |
| Tritanopia (no blue cones) | #324A4A | 0.022 |
| Achromatopsia (no color) | #454545 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394752
#394752
oklch(39% 0.026 242)
- #4F4237
#4F4237
oklch(38.9% 0.025 62.2)
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 #394752, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.026
- Charcoal Grey #3C4142 ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.030
- Onyx #343A40 ΔE 0.047
- Dark Teal #014D4E ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.055
- Deep Teal #00555A ΔE 0.056
Use #394752 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.