#37342A
Closest named color: Onyx (#343A40). oklch(32.5% 0.018 93.3), rgb(55, 52, 42).
Aa
White text reads best on this color (12.44:1).
About this color
#37342A is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.036 away. White text reads best on it, at 12.44:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.68:1 |
| White text | 12.44:1 |
Values
| HEX | #37342A |
| RGB | rgb(55, 52, 42) |
| HSL | hsl(46, 13%, 19%) |
| OKLCH | oklch(32.5% 0.018 93.3) |
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 #37342A | 12.44:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #37342A | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #37342A text on white | 12.44:1 | AAA | Lc 98.3 | Preferred for body text |
| #37342A text on black | 1.68:1 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EBEAE7
oklch(93.7% 0.004 91.4)
-
Step 200
200
#DBD9D4
oklch(88.5% 0.007 88.6)
-
Step 300
300
#C3C1B7
oklch(81% 0.014 97.5)
-
Step 400
400
#A5A192
oklch(70.8% 0.022 94.6)
-
Step 500
500
#8F8977
oklch(63% 0.027 91.7)
-
Step 600
600
#797360
oklch(55.5% 0.029 92.6)
-
Step 700
700
#66614F
oklch(49.2% 0.028 94.3)
-
Step 800
800
#534F41
oklch(42.7% 0.023 93.9)
-
Step 900
900 (this color)
#37342A
oklch(32.5% 0.018 93.3)
-
Step 950
950
#282620
oklch(26.9% 0.011 91.7)
#37342A 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) | #363329 | 0.004 |
| Deuteranopia (no green cones) | #37342A | 0.000 |
| Tritanopia (no blue cones) | #393231 | 0.016 |
| Achromatopsia (no color) | #343434 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37342A
#37342A
oklch(32.5% 0.018 93.3)
- #31343D
#31343D
oklch(32.6% 0.016 270.9)
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 #37342A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.036
- Pakistan Green #283618 ΔE 0.042
- Gunmetal #293241 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.063
- Dark Olive #373E02 ΔE 0.065
- Jet #212529 ΔE 0.068
Use #37342A 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.