#394150
Closest named color: Charcoal Grey (#3C4142). oklch(37.4% 0.028 262.9), rgb(57, 65, 80).
Aa
White text reads best on this color (10.26:1).
About this color
#394150 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.024 away. White text reads best on it, at 10.26:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #394150 |
| RGB | rgb(57, 65, 80) |
| HSL | hsl(219, 17%, 27%) |
| OKLCH | oklch(37.4% 0.028 262.9) |
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 #394150 | 10.26:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #394150 | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #394150 text on white | 10.26:1 | AAA | Lc 93.8 | Preferred for body text |
| #394150 text on black | 2.04:1 | Fails | Lc -8.7 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CF
oklch(80.9% 0.022 261.8)
-
Step 400
400
#96A1B6
oklch(70.7% 0.033 263.4)
-
Step 500
500
#7C8AA4
oklch(63.1% 0.043 262.8)
-
Step 600
600
#65748F
oklch(55.7% 0.046 262.1)
-
Step 700
700
#54617A
oklch(49.1% 0.043 263.3)
-
Step 800
800
#454F63
oklch(42.7% 0.036 264.1)
-
Step 900
900 (this color)
#394150
oklch(37.4% 0.028 262.9)
-
Step 950
950
#22272F
oklch(27.1% 0.017 259.8)
#394150 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) | #3C4251 | 0.006 |
| Deuteranopia (no green cones) | #3A4050 | 0.003 |
| Tritanopia (no blue cones) | #334446 | 0.025 |
| Achromatopsia (no color) | #414141 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394150
#394150
oklch(37.4% 0.028 262.9)
- #484030
#484030
oklch(37.5% 0.028 84.4)
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 #394150, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.024
- Charcoal #264653 ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.027
- Onyx #343A40 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.047
- Gunmetal #293241 ΔE 0.059
- Dark Teal #014D4E ΔE 0.060
Use #394150 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.