#38372B
Closest named color: Onyx (#343A40). oklch(33.4% 0.02 103.5), rgb(56, 55, 43).
Aa
White text reads best on this color (12.00:1).
About this color
#38372B is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.034 away. White text reads best on it, at 12.00:1.
| Hue family | Neutrals |
| Lightness | dark (33%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.74:1 |
| White text | 12.00:1 |
Values
| HEX | #38372B |
| RGB | rgb(56, 55, 43) |
| HSL | hsl(55, 13%, 19%) |
| OKLCH | oklch(33.4% 0.02 103.5) |
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 #38372B | 12.00:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #38372B | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #38372B text on white | 12.00:1 | AAA | Lc 97.5 | Preferred for body text |
| #38372B text on black | 1.74:1 | Fails | Lc 0.0 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE7
oklch(93.6% 0.004 106.5)
-
Step 200
200
#DAD9D3
oklch(88.4% 0.008 98.9)
-
Step 300
300
#C2C1B6
oklch(80.9% 0.015 102.5)
-
Step 400
400
#A3A290
oklch(70.8% 0.025 104.4)
-
Step 500
500
#8C8B75
oklch(63.1% 0.032 105.1)
-
Step 600
600
#76755E
oklch(55.7% 0.034 105.4)
-
Step 700
700
#64624D
oklch(49.2% 0.032 103)
-
Step 800
800
#51503F
oklch(42.7% 0.027 104.7)
-
Step 900
900 (this color)
#38372B
oklch(33.4% 0.02 103.5)
-
Step 950
950
#272720
oklch(27% 0.013 107.2)
#38372B 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) | #39362A | 0.003 |
| Deuteranopia (no green cones) | #3A372B | 0.004 |
| Tritanopia (no blue cones) | #3A3534 | 0.019 |
| Achromatopsia (no color) | #363636 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38372B
#38372B
oklch(33.4% 0.02 103.5)
- #353541
#353541
oklch(33.4% 0.021 285.2)
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 #38372B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.034
- Pakistan Green #283618 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.044
- Gunmetal #293241 ΔE 0.052
- Dark Olive #373E02 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.065
- Charcoal #264653 ΔE 0.071
Use #38372B 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.