#38424F
Closest named color: Charcoal Grey (#3C4142). oklch(37.5% 0.026 255.1), rgb(56, 66, 79).
Aa
White text reads best on this color (10.19:1).
About this color
#38424F is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.022 away. White text reads best on it, at 10.19:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.06:1 |
| White text | 10.19:1 |
Values
| HEX | #38424F |
| RGB | rgb(56, 66, 79) |
| HSL | hsl(214, 17%, 26%) |
| OKLCH | oklch(37.5% 0.026 255.1) |
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 #38424F | 10.19:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #38424F | 2.06:1 | Fails | Lc 10.3 | Not readable |
| #38424F text on white | 10.19:1 | AAA | Lc 93.7 | Preferred for body text |
| #38424F text on black | 2.06:1 | Fails | Lc -8.9 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C1CD
oklch(80.8% 0.02 255.6)
-
Step 400
400
#94A2B4
oklch(70.7% 0.031 254.7)
-
Step 500
500
#7A8BA2
oklch(63.1% 0.04 256)
-
Step 600
600
#62758D
oklch(55.6% 0.044 254.4)
-
Step 700
700
#516278
oklch(49.1% 0.041 255)
-
Step 800
800
#435061
oklch(42.7% 0.033 255.2)
-
Step 900
900 (this color)
#38424F
oklch(37.5% 0.026 255.1)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#38424F 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) | #3D4250 | 0.008 |
| Deuteranopia (no green cones) | #3B404F | 0.008 |
| Tritanopia (no blue cones) | #324546 | 0.023 |
| Achromatopsia (no color) | #414141 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38424F
#38424F
oklch(37.5% 0.026 255.1)
- #493F32
#493F32
oklch(37.4% 0.025 74.2)
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 #38424F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.022
- Charcoal #264653 ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.026
- Onyx #343A40 ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.043
- Dark Teal #014D4E ΔE 0.056
- Midnight Green #073B4C ΔE 0.060
Use #38424F 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.