#38434F
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.025 250.7), rgb(56, 67, 79).
Aa
White text reads best on this color (10.07:1).
About this color
#38434F is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.021 away. White text reads best on it, at 10.07:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #38434F |
| RGB | rgb(56, 67, 79) |
| HSL | hsl(211, 17%, 26%) |
| OKLCH | oklch(37.8% 0.025 250.7) |
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 #38434F | 10.07:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #38434F | 2.08:1 | Fails | Lc 10.5 | Not readable |
| #38434F text on white | 10.07:1 | AAA | Lc 93.4 | Preferred for body text |
| #38434F text on black | 2.08:1 | Fails | Lc -9.1 | 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
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CD
oklch(81% 0.019 250.6)
-
Step 400
400
#93A2B3
oklch(70.6% 0.03 251.6)
-
Step 500
500
#788CA1
oklch(63.2% 0.039 249.7)
-
Step 600
600
#61758C
oklch(55.5% 0.043 252.2)
-
Step 700
700
#506377
oklch(49.2% 0.04 250)
-
Step 800
800
#425160
oklch(42.8% 0.031 248.6)
-
Step 900
900 (this color)
#38434F
oklch(37.8% 0.025 250.7)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#38434F 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) | #3F4350 | 0.011 |
| Deuteranopia (no green cones) | #3C414F | 0.008 |
| Tritanopia (no blue cones) | #324647 | 0.022 |
| Achromatopsia (no color) | #424242 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38434F
#38434F
oklch(37.8% 0.025 250.7)
- #4B4033
#4B4033
oklch(37.9% 0.026 71.6)
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 #38434F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.021
- Charcoal #264653 ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.026
- Onyx #343A40 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.045
- Dark Teal #014D4E ΔE 0.054
- Midnight Green #073B4C ΔE 0.061
Use #38434F 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.