#384F53
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41% 0.029 209.4), rgb(56, 79, 83).
Aa
White text reads best on this color (8.70:1).
About this color
#384F53 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.014 away. White text reads best on it, at 8.70:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #384F53 |
| RGB | rgb(56, 79, 83) |
| HSL | hsl(189, 19%, 27%) |
| OKLCH | oklch(41% 0.029 209.4) |
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 #384F53 | 8.70:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #384F53 | 2.41:1 | Fails | Lc 14.1 | Not readable |
| #384F53 text on white | 8.70:1 | AAA | Lc 89.8 | Fine for body text |
| #384F53 text on black | 2.41:1 | Fails | Lc -12.4 | 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
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D2DBDC
oklch(88.5% 0.01 204.9)
-
Step 300
300
#B5C4C6
oklch(80.9% 0.017 206.4)
-
Step 400
400
#8EA6AA
oklch(70.8% 0.027 208.7)
-
Step 500
500
#729095
oklch(63.2% 0.035 208.8)
-
Step 600
600
#5A7A7F
oklch(55.7% 0.037 208.1)
-
Step 700
700
#49666C
oklch(49% 0.035 211.8)
-
Step 800
800 (this color)
#384F53
oklch(41% 0.029 209.4)
-
Step 900
900
#344548
oklch(37.7% 0.022 209.5)
-
Step 950
950
#1E282A
oklch(26.8% 0.014 211.2)
#384F53 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) | #4B4D53 | 0.028 |
| Deuteranopia (no green cones) | #464A53 | 0.024 |
| Tritanopia (no blue cones) | #2F5150 | 0.014 |
| Achromatopsia (no color) | #4B4B4B | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384F53
#384F53
oklch(41% 0.029 209.4)
- #594541
#594541
oklch(41% 0.029 31.3)
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 #384F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.014
- Charcoal #264653 ΔE 0.039
- Deep Teal #00555A ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.045
- Dark Teal #014D4E ΔE 0.047
- Dark Blue Green #005249 ΔE 0.049
- Petrol #005F6A ΔE 0.058
Use #384F53 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.