#34372B
Closest named color: Onyx (#343A40). oklch(33% 0.021 119), rgb(52, 55, 43).
Aa
White text reads best on this color (12.15:1).
About this color
#34372B is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.035 away. White text reads best on it, at 12.15:1.
| Hue family | Neutrals |
| Lightness | dark (33%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.72:1 |
| White text | 12.15:1 |
Values
| HEX | #34372B |
| RGB | rgb(52, 55, 43) |
| HSL | hsl(75, 12%, 19%) |
| OKLCH | oklch(33% 0.021 119) |
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 #34372B | 12.15:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #34372B | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #34372B text on white | 12.15:1 | AAA | Lc 97.8 | Preferred for body text |
| #34372B text on black | 1.72:1 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD4
oklch(88.5% 0.008 121.6)
-
Step 300
300
#BFC2B7
oklch(80.9% 0.016 119.2)
-
Step 400
400
#9FA392
oklch(70.7% 0.025 117.8)
-
Step 500
500
#878C77
oklch(63% 0.031 118.2)
-
Step 600
600
#717660
oklch(55.5% 0.033 117.9)
-
Step 700
700
#5E644F
oklch(49.2% 0.033 120.6)
-
Step 800
800
#4D5141
oklch(42.6% 0.026 118.9)
-
Step 900
900 (this color)
#34372B
oklch(33% 0.021 119)
-
Step 950
950
#262720
oklch(26.9% 0.013 113.9)
#34372B 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 | 0.009 |
| Deuteranopia (no green cones) | #38362B | 0.007 |
| Tritanopia (no blue cones) | #353634 | 0.017 |
| Achromatopsia (no color) | #363636 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34372B
#34372B
oklch(33% 0.021 119)
- #37333F
#37333F
oklch(33% 0.022 300.4)
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 #34372B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.035
- Pakistan Green #283618 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.047
- Gunmetal #293241 ΔE 0.050
- Dark Olive #373E02 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.063
- Midnight Green #073B4C ΔE 0.068
Use #34372B 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.