#394050
Closest named color: Charcoal Grey (#3C4142). oklch(37.2% 0.029 266.5), rgb(57, 64, 80).
Aa
White text reads best on this color (10.37:1).
About this color
#394050 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.026 away. White text reads best on it, at 10.37:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #394050 |
| RGB | rgb(57, 64, 80) |
| HSL | hsl(222, 17%, 27%) |
| OKLCH | oklch(37.2% 0.029 266.5) |
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 #394050 | 10.37:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #394050 | 2.02:1 | Fails | Lc 9.8 | Not readable |
| #394050 text on white | 10.37:1 | AAA | Lc 94.1 | Preferred for body text |
| #394050 text on black | 2.02:1 | Fails | Lc -8.5 | 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 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
#BAC1CF
oklch(81% 0.021 264.4)
-
Step 400
400
#96A1B7
oklch(70.8% 0.035 264.3)
-
Step 500
500
#7D89A5
oklch(63% 0.045 266.9)
-
Step 600
600
#667390
oklch(55.6% 0.048 266)
-
Step 700
700
#55607B
oklch(49% 0.046 267.4)
-
Step 800
800
#454F64
oklch(42.7% 0.037 264.9)
-
Step 900
900 (this color)
#394050
oklch(37.2% 0.029 266.5)
-
Step 950
950
#222630
oklch(26.9% 0.02 267.9)
#394050 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) | #3B4151 | 0.005 |
| Deuteranopia (no green cones) | #393F50 | 0.003 |
| Tritanopia (no blue cones) | #334345 | 0.026 |
| Achromatopsia (no color) | #404040 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394050
#394050
oklch(37.2% 0.029 266.5)
- #473F2E
#473F2E
oklch(37.1% 0.03 85.7)
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 #394050, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.028
- Charcoal #264653 ΔE 0.029
- Onyx #343A40 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.050
- Gunmetal #293241 ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.059
Use #394050 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.