#383D45
Closest named color: Onyx (#343A40). oklch(35.8% 0.015 259.8), rgb(56, 61, 69).
Aa
White text reads best on this color (10.92:1).
About this color
#383D45 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.014 away. White text reads best on it, at 10.92:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.92:1 |
| White text | 10.92:1 |
Values
| HEX | #383D45 |
| RGB | rgb(56, 61, 69) |
| HSL | hsl(217, 10%, 25%) |
| OKLCH | oklch(35.8% 0.015 259.8) |
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 #383D45 | 10.92:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #383D45 | 1.92:1 | Fails | Lc 8.6 | Not readable |
| #383D45 text on white | 10.92:1 | AAA | Lc 95.3 | Preferred for body text |
| #383D45 text on black | 1.92:1 | Fails | Lc -7.3 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BCC1C8
oklch(80.9% 0.011 256.7)
-
Step 400
400
#9AA1AC
oklch(70.7% 0.018 259.4)
-
Step 500
500
#818A98
oklch(63.1% 0.024 259.2)
-
Step 600
600
#6B7483
oklch(55.7% 0.026 260.7)
-
Step 700
700
#59616F
oklch(49.1% 0.025 261.7)
-
Step 800
800
#494F5A
oklch(42.6% 0.02 262.6)
-
Step 900
900 (this color)
#383D45
oklch(35.8% 0.015 259.8)
-
Step 950
950
#24272B
oklch(27.1% 0.009 255.6)
#383D45 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) | #3A3D45 | 0.003 |
| Deuteranopia (no green cones) | #393C45 | 0.004 |
| Tritanopia (no blue cones) | #353F40 | 0.014 |
| Achromatopsia (no color) | #3D3D3D | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #383D45
#383D45
oklch(35.8% 0.015 259.8)
- #413C34
#413C34
oklch(35.9% 0.015 79.7)
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 #383D45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.014
- Charcoal Grey #3C4142 ΔE 0.017
- Charcoal #264653 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.042
- Gunmetal #293241 ΔE 0.045
- Midnight Green #073B4C ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.056
Use #383D45 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.