#372F28
Closest named color: Onyx (#343A40). oklch(31.2% 0.017 63.3), rgb(55, 47, 40).
Aa
White text reads best on this color (13.12:1).
About this color
#372F28 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.045 away. White text reads best on it, at 13.12:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.59:1 |
| White text | 13.12:1 |
Values
| HEX | #372F28 |
| RGB | rgb(55, 47, 40) |
| HSL | hsl(28, 16%, 19%) |
| OKLCH | oklch(31.2% 0.017 63.3) |
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 #372F28 | 13.12:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #372F28 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #372F28 text on white | 13.12:1 | AAA | Lc 99.4 | Preferred for body text |
| #372F28 text on black | 1.59:1 | 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 950.
-
Step 50
50
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E6
oklch(93.6% 0.006 59.6)
-
Step 200
200
#DFD8D2
oklch(88.6% 0.011 63.3)
-
Step 300
300
#CABEB4
oklch(80.9% 0.019 62.4)
-
Step 400
400
#AF9D8D
oklch(70.7% 0.031 63.9)
-
Step 500
500
#9C8570
oklch(63.2% 0.041 64.4)
-
Step 600
600
#866E59
oklch(55.6% 0.044 62.9)
-
Step 700
700
#725C48
oklch(49.1% 0.042 63.9)
-
Step 800
800
#5D4B3C
oklch(42.7% 0.034 61.5)
-
Step 900
900
#4C3F33
oklch(37.8% 0.027 64.6)
-
Step 950
950 (this color)
#372F28
oklch(31.2% 0.017 63.3)
#372F28 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) | #322F28 | 0.009 |
| Deuteranopia (no green cones) | #333128 | 0.009 |
| Tritanopia (no blue cones) | #3A2D2D | 0.014 |
| Achromatopsia (no color) | #303030 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372F28
#372F28
oklch(31.2% 0.017 63.3)
- #2A3239
#2A3239
oklch(31.2% 0.017 244.8)
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 #372F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.045
- Gunmetal #293241 ΔE 0.046
- Pakistan Green #283618 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.053
- Jet #212529 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.069
- Dark Brown #341C02 ΔE 0.069
Use #372F28 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.