#373129
Closest named color: Onyx (#343A40). oklch(31.7% 0.016 75), rgb(55, 49, 41).
Aa
White text reads best on this color (12.85:1).
About this color
#373129 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.041 away. White text reads best on it, at 12.85:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.63:1 |
| White text | 12.85:1 |
Values
| HEX | #373129 |
| RGB | rgb(55, 49, 41) |
| HSL | hsl(34, 15%, 19%) |
| OKLCH | oklch(31.7% 0.016 75) |
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 #373129 | 12.85:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #373129 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #373129 text on white | 12.85:1 | AAA | Lc 99.0 | Preferred for body text |
| #373129 text on black | 1.63:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DDD8D2
oklch(88.5% 0.01 72.7)
-
Step 300
300
#C8BFB3
oklch(80.9% 0.019 75.3)
-
Step 400
400
#AC9E8C
oklch(70.6% 0.03 74.2)
-
Step 500
500
#98866F
oklch(63% 0.04 73.8)
-
Step 600
600
#827057
oklch(55.5% 0.043 75.8)
-
Step 700
700
#6E5E48
oklch(49.1% 0.039 75.5)
-
Step 800
800
#5A4D3B
oklch(42.8% 0.033 75.7)
-
Step 900
900
#4A4033
oklch(37.8% 0.025 74.2)
-
Step 950
950 (this color)
#373129
oklch(31.7% 0.016 75)
#373129 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) | #333129 | 0.007 |
| Deuteranopia (no green cones) | #353229 | 0.005 |
| Tritanopia (no blue cones) | #3A2F2F | 0.015 |
| Achromatopsia (no color) | #323232 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #373129
#373129
oklch(31.7% 0.016 75)
- #2D333A
#2D333A
oklch(31.8% 0.015 252.3)
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 #373129, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.041
- Pakistan Green #283618 ΔE 0.046
- Gunmetal #293241 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.058
- Jet #212529 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.066
- Dark Olive #373E02 ΔE 0.072
Use #373129 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.