#383F48
Closest named color: Charcoal Grey (#3C4142). oklch(36.5% 0.018 254.8), rgb(56, 63, 72).
Aa
White text reads best on this color (10.64:1).
About this color
#383F48 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.015 away. White text reads best on it, at 10.64:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #383F48 |
| RGB | rgb(56, 63, 72) |
| HSL | hsl(214, 13%, 25%) |
| OKLCH | oklch(36.5% 0.018 254.8) |
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 #383F48 | 10.64:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #383F48 | 1.97:1 | Fails | Lc 9.2 | Not readable |
| #383F48 text on white | 10.64:1 | AAA | Lc 94.7 | Preferred for body text |
| #383F48 text on black | 1.97:1 | Fails | Lc -7.9 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DE
oklch(88.4% 0.008 260.7)
-
Step 300
300
#BBC1C9
oklch(80.9% 0.013 255.5)
-
Step 400
400
#98A2AE
oklch(70.8% 0.021 252.9)
-
Step 500
500
#7E8B9A
oklch(63.1% 0.027 252)
-
Step 600
600
#687585
oklch(55.7% 0.029 253.7)
-
Step 700
700
#566271
oklch(49.1% 0.028 254.1)
-
Step 800
800
#46505C
oklch(42.7% 0.024 253.1)
-
Step 900
900 (this color)
#383F48
oklch(36.5% 0.018 254.8)
-
Step 950
950
#23272C
oklch(27.1% 0.011 254)
#383F48 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) | #3C3F48 | 0.006 |
| Deuteranopia (no green cones) | #3A3E48 | 0.004 |
| Tritanopia (no blue cones) | #344142 | 0.016 |
| Achromatopsia (no color) | #3E3E3E | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #383F48
#383F48
oklch(36.5% 0.018 254.8)
- #443D34
#443D34
oklch(36.4% 0.018 74.1)
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 #383F48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.015
- Onyx #343A40 ΔE 0.020
- Charcoal #264653 ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.050
- Gunmetal #293241 ΔE 0.051
- Midnight Green #073B4C ΔE 0.056
Use #383F48 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.